`
`
`
`
`
`
`
`UNITED STATES PATENT AND TRADEMARK OFFICE
`_____________
`
`BEFORE THE PATENT TRIAL AND APPEAL BOARD
`_____________
`
`BOSE CORPORATION,
`Petitioner,
`
`v.
`
`KOSS CORPORATION,
`Patent Owner.
`_____________
`
`Case No. TBD
`Patent No. 10,469,934
`_____________
`
`
`
`
`
`
`DECLARATION OF TIM A. WILLIAMS, Ph.D.
`
`
`Bose Exhibit 1003
`Bose v. Koss
`
`
`
`
`
`
`
`

`

`TABLE OF CONTENTS
`
`I.
`PERSONAL AND PROFESSIONAL BACKGROUND ................................. 1
`II. MATERIALS REVIEWED AND CONSIDERED .......................................... 4
`III. MY UNDERSTANDING OF PATENT LAW ............................................... 12
`A. Anticipation ............................................................................................... 13
`B. Obviousness ............................................................................................... 14
`IV. PERSON OF ORDINARY SKILL IN THE ART (“POSA”) ......................... 17
`V. THE ’934 PATENT ......................................................................................... 21
`A. Described Embodiments ............................................................................ 27
`B. Summary of the Challenged Claims .......................................................... 37
`C. Prosecution History of the Related ’025 Patent (Ex. 1096) ..................... 44
`D. Prosecution History of the ’934 Patent (Ex. 1002) ................................... 46
`E. Claim Interpretation ................................................................................... 48
`VI. THE CHALLENGED CLAIMS ARE UNPATENTABLE IN LIGHT
`OF THE PRIOR ART IDENTIFIED IN THE PETITION ............................. 49
`A. Grounds 1A-1D: All Challenged Claims (1-22, 32-41, 47, 49-62)
`Would Have Been Obvious Over The Schrager-Goldstein
`Combination Alone Or In View Of Additional Prior Art ......................... 50
`1. Ground 1A: Claims 1-3, 5, 7, 9-11, 32-37, 39, 47, 49, 51-57
`Would Have Been Obvious Over Schrager in View of
`Goldstein ............................................................................................. 50
`a. Overview of Ground 1A ............................................................. 50
`(1) Schrager (Ex. 1101): U.S. Patent No. 7,072,686 ................ 50
`(2) Goldstein: (Ex. 1026): U.S. Patent Application
`Publication No. 2008/0031475 ........................................... 53
`(3) The Schrager-Goldstein Combination ................................ 60
`b. Claim 1 ........................................................................................ 69
`(1) [1A] A headphone assembly comprising: .......................... 69
`(2) [1B] first and second earphones, wherein each of the
`first and second earphones comprises an acoustic
`transducer; and .................................................................... 70
`
`– i –
`
`

`

`(3) [1C] an antenna for receiving wireless signals from a
`mobile, digital audio player via one or more ad hoc
`wireless communication links; ........................................... 72
`(4) [1D] a wireless communication circuit connected to
`the antenna, wherein the wireless communication
`circuit is for receiving and transmitting wireless
`signals to and from the headphone assembly; .................... 77
`(5) [1E] a processor; ................................................................. 79
`(6) [1F] a memory for storing firmware that is executed
`by the processor; ................................................................. 80
`(7) [1G] a rechargeable battery for powering the
`headphone assembly; and ................................................... 81
`(8) [1H] a microphone for picking up utterances by a
`user of the headphone assembly; and ................................. 81
`(9) [1I] wherein the headphone assembly is configured to
`play, by the first and second earphones, digital audio
`content transmitted by the mobile, digital audio
`player via the one or more ad hoc wireless
`communication links; .......................................................... 82
`(10) [1J] wherein the processor is configured to, upon
`activation of a user-control of the headphone
`assembly, initiate transmission of a request to a
`remote, network-connected server that is in wireless
`communication with the mobile, digital audio player;
`and 84
`(11) [1K] wherein the headphone assembly is for
`receiving firmware upgrades transmitted from the
`remote, network-connected server. ..................................... 87
`c. Claim 2 ........................................................................................ 89
`d. Claims 3 and 5 ............................................................................. 90
`e. Claim 7 ........................................................................................ 92
`f. Claim 9 ........................................................................................ 93
`g. Claim 10 ...................................................................................... 94
`
`– ii –
`
`

`

`(1) [10A] The headphone assembly of claim 1, wherein:
`the wireless communication circuit is located in the
`first earphone; and .............................................................. 94
`(2) [10B] the headphone assembly further comprises a
`connection wire between the first and second
`earphones to carry the received digital audio content
`from the first earphone to the second earphone. ................. 96
`h. Claim 11 ...................................................................................... 98
`i. Claim 32 ...................................................................................... 98
`j. Claim 33 .................................................................................... 101
`k. Claim 34 .................................................................................... 102
`l. Claim 35 .................................................................................... 104
`m. Claim 36 .................................................................................... 104
`n. Claim 37 .................................................................................... 105
`o. Claim 39 .................................................................................... 106
`p. Claim 47 .................................................................................... 106
`q. Claim 49 .................................................................................... 108
`r. Claim 51 .................................................................................... 108
`s. Claim 52 .................................................................................... 109
`t. Claim 53 .................................................................................... 111
`u. Claim 54 .................................................................................... 114
`v. Claim 55 .................................................................................... 116
`w. Claim 56 .................................................................................... 116
`x. Claim 57 .................................................................................... 117
`2. Ground 1B Claims 4, 6, 8, 12-13, 17-18, 20, 22, 38, 40-41, 58-
`62: Would Have Been Obvious Over Schrager-Goldstein in
`View of Harada .................................................................................118
`a. Overview of Ground 1B ............................................................ 118
`(1) Harada (Ex. 1098): U.S. Patent Application
`Publication No. 2006/0229014 ......................................... 118
`(2) Schrager-Goldstein-Harada Combination ........................ 122
`
`– iii –
`
`

`

`b. Claim 4 ...................................................................................... 125
`(1) [4A] The headphone assembly of claim 3, wherein:
`the mobile, digital audio player is a first digital audio
`source; ............................................................................... 125
`(2) [4B] the headphone assembly transitions to play
`digital audio content received wirelessly from a
`second digital audio source via a second wireless
`communication link based on, at least, a signal
`strength level for the second wireless communication
`link, where the second digital audio source is
`different from the first digital audio source. ..................... 126
`c. Claims 6, 8, 12-13, 38, 40-41 .................................................... 127
`d. Claim 58 .................................................................................... 130
`e. Claim 59 .................................................................................... 131
`f. Claim 60 .................................................................................... 132
`g. Claim 61 .................................................................................... 132
`h. Claim 62 .................................................................................... 133
`3. Ground 1C: Claims 14-16, 19, 21, 49-51 Would Have Been
`Obvious Over Schrager and Goldstein in View of Skulley ..............134
`a. Overview of Ground 1C ............................................................ 134
`(1) Skulley (Ex. 1017): U.S. Patent No. 6,856,690 ................ 134
`(2) The Schrager-Goldstein-Skulley Combination ................ 135
`b. Claim 14 .................................................................................... 136
`c. Claim 15 .................................................................................... 139
`d. Claim 16 .................................................................................... 140
`e. Claim 19 .................................................................................... 141
`f. Claim 21 .................................................................................... 141
`g. Claims 49-51 ............................................................................. 142
`4. Ground 1D: Claims 17-18, 20, 22 Would Have Been Obvious
`Over Schrager-Goldstein-Skulley in View of Harada ......................144
`a. Overview of Ground 1D ........................................................... 144
`(1) Schrager ............................................................................ 144
`
`– iv –
`
`

`

`(2) Goldstein ........................................................................... 144
`(3) Skulley .............................................................................. 144
`(4) Harada ............................................................................... 144
`(5) The Schrager-Goldstein-Skulley-Harada
`Combination ...................................................................... 144
`b. Claims 17-18, 20, 22 ................................................................. 145
`B. Grounds 2A-2D: All Challenged Claims (1-22, 32-41, 47, 49-62)
`Would Have Been Obvious Over the Combination of Rezvani-446
`and Rezvani-875 in View of Other Prior Art ..........................................147
`1. Ground 2A: Claims 1-3, 5, 7, 9-11, 14-16, 19, 21, 47, 49-53
`Would Have Been Obvious Over Rezvani-875, Rezvani-446,
`and Skulley in View of Hind .............................................................148
`a. Overview of Ground 2A ........................................................... 148
`(1) Rezvani-875 (Ex. 1016): U.S. Patent Application
`Publication No. 2007/0165875 ......................................... 148
`(2) Rezvani-446 (Ex. 1097): U.S. Patent Application
`Publication No. 2007/0136446 ......................................... 158
`(3) Skulley (Ex. 1017) ............................................................ 161
`(4) Hind (Ex. 1019): U.S. Patent No. 7,069,452 .................... 161
`(5) The Rezvani-Rezvani-Skulley-Hind Combination ........... 164
`b. Claim 1 ...................................................................................... 172
`(1) [1A] A headphone assembly comprising: ........................ 172
`(2) [1B] first and second earphones, wherein each of the
`first and second earphones comprises an acoustic
`transducer; and; ................................................................. 174
`(3) [1C] an antenna for receiving wireless signals from a
`mobile, digital audio player via one or more ad hoc
`wireless communication links; ......................................... 176
`(4) [1D] a wireless communication circuit connected to
`the antenna, wherein the wireless communication
`circuit is for receiving and transmitting wireless
`signals to and from the headphone assembly; .................. 183
`(5) [1E] a processor; ............................................................... 186
`
`– v –
`
`

`

`(6) [1F] a memory for storing firmware that is executed
`by the processor; ............................................................... 187
`(7) [1G] a rechargeable battery for powering the
`headphone assembly; and ................................................. 189
`(8) [1H] a microphone for picking up utterances by a
`user of the headphone assembly; and ............................... 190
`(9) [1I] wherein the headphone assembly is configured to
`play, by the first and second earphones, digital audio
`content transmitted by the mobile, digital audio
`player via the one or more ad hoc wireless
`communication links; ........................................................ 192
`(10) [1J] wherein the processor is configured to, upon
`activation of a user-control of the headphone
`assembly, initiate transmission of a request to a
`remote, network-connected server that is in wireless
`communication with the mobile, digital audio player;
`and 193
`(11) [1K] wherein the headphone assembly is for
`receiving firmware upgrades transmitted from the
`remote, network-connected server. ................................... 196
`c. Claim 2 ...................................................................................... 197
`d. Claim 3 and 5 ............................................................................ 199
`e. Claim 7 ...................................................................................... 202
`f. Claim 9 ...................................................................................... 203
`g. Claim 10 .................................................................................... 204
`(1) [10A] The headphone assembly of claim 1, wherein:
`the wireless communication circuit is located in the
`first earphone; and ............................................................ 204
`(2) [10B] the headphone assembly further comprises a
`connection wire between the first and second
`earphones to carry the received digital audio content
`from the first earphone to the second earphone. ............... 206
`h. Claim 11 .................................................................................... 207
`i. Claim 14 .................................................................................... 208
`
`– vi –
`
`

`

`j. Claim 15 .................................................................................... 210
`k. Claim 16 .................................................................................... 211
`l. Claim 19 .................................................................................... 212
`m. Claim 21 .................................................................................... 212
`n. Claim 47 .................................................................................... 213
`o. Claims 49-51 ............................................................................. 215
`p. Claim 52 .................................................................................... 217
`q. Claim 53 .................................................................................... 221
`2. Ground 2B: Claims 4, 6, 8, 12-13, 17-18, 20, 22, 58-62: Would
`Have Been Obvious Over Rezvani-875, Rezvani-446, Skulley
`and Hind, in View of Harada ............................................................223
`a. Overview of Ground 2B ............................................................ 223
`(1) Rezvani-875 (Ex. 1016) .................................................... 223
`(2) Rezvani-446 (Ex. 1097) .................................................... 223
`(3) Skulley (Ex. 1017) ............................................................ 223
`(4) Hind (Ex. 1019) ................................................................ 223
`(5) Harada (Ex. 1098) ............................................................. 223
`(6) The Rezvani-Rezvani-Skulley-Hind-Harada
`Combination ...................................................................... 223
`b. Claim 4 ...................................................................................... 228
`(1) [4A] The headphone assembly of claim 3, wherein:
`the mobile, digital audio player is a first digital audio
`source; ............................................................................... 228
`(2) [4B] the headphone assembly transitions to play
`digital audio content received wirelessly from a
`second digital audio source via a second wireless
`communication link based on, at least, a signal
`strength level for the second wireless communication
`link, where the second digital audio source is
`different from the first digital audio source. ..................... 229
`c. Claims 6, 8, 12-13, 17-18, 20, 22 .............................................. 231
`d. Claim 58 .................................................................................... 235
`
`– vii –
`
`

`

`e. Claim 59 .................................................................................... 235
`f. Claim 60 .................................................................................... 236
`g. Claim 61 .................................................................................... 237
`h. Claim 62 .................................................................................... 238
`3. Ground 2C: Claims 32-37, 39, 54-57: Would Have Been
`Obvious Over Rezvani-875, Rezvani-446, and Hind, in View of
`Oh ......................................................................................................239
`a. Overview of Ground 2C ............................................................ 239
`(1) Rezvani-875 (Ex. 1016) .................................................... 239
`(2) Rezvani-446 (Ex. 1097) .................................................... 239
`(3) Hind (Ex. 1019) ................................................................ 239
`(4) Oh (Ex. 1099): PCT Publication No. WO
`2006/098584 ..................................................................... 239
`(5) The Rezvani-Rezvani-Hind-Oh Combination .................. 244
`b. Claim 32 .................................................................................... 249
`c. Claim 33 .................................................................................... 250
`d. Claim 34 .................................................................................... 251
`e. Claim 35 .................................................................................... 255
`f. Claim 36 .................................................................................... 256
`g. Claim 37 .................................................................................... 257
`h. Claim 39 .................................................................................... 257
`i. Claim 54 .................................................................................... 258
`j. Claim 55 .................................................................................... 261
`k. Claim 56 .................................................................................... 261
`l. Claim 57 .................................................................................... 262
`4. Ground 2D: Claims 38, 40-41: Would Have Been Obvious
`Over Rezvani-875, Rezvani-446, Hind, and Oh, in View of
`Harada................................................................................................263
`a. Overview of Ground 2D ........................................................... 263
`(1) Rezvani-875 (Ex. 1016) .................................................... 263
`
`– viii –
`
`

`

`(2) Rezvani-446 (Ex. 1097) .................................................... 263
`(3) Hind (Ex. 1019) ................................................................ 263
`(4) Oh (Ex. 1099) ................................................................... 263
`(5) Harada (Ex. 1098) ............................................................. 263
`(6) The Rezvani-Rezvani-Hind-Oh-Harada Combination ..... 263
`b. Claims 38, 40-41 ....................................................................... 264
`CLAIM LISTING ................................................................................................267
`
`
`
`– ix –
`
`

`

`
`
`I, Tim A. Williams, declare:
`
`1.
`
`I have been retained by Wolf, Greenfield & Sacks, P.C., counsel for
`
`Petitioner Bose Corporation, to assess claims 1-22, 32-41, 47, 49-62 (the
`
`“challenged claims”) of U.S. Patent No. 10,469,934 (Ex. 1001, “the ’934 patent”).
`
`I am being compensated for my time at my standard rate of $675 per hour, plus
`
`actual expenses. My compensation is not dependent in any way upon the outcome
`
`of the inter partes review of the ’934 patent.
`
`I.
`
`PERSONAL AND PROFESSIONAL BACKGROUND
`
`2.
`
`I earned a Bachelor of Science degree in Electrical Engineering (BSEE)
`
`from Michigan Technological University in 1976. In 1982, I earned a Master’s
`
`degree, also in Electrical Engineering (MSEE), from the University of Texas at
`
`Austin. I earned a Doctor of Philosophy (Ph.D.) in Electrical Engineering also from
`
`the University of Texas at Austin, in 1985. My doctorate dissertation was “Digital
`
`Signal Processing Techniques for Acoustic Log Data.” In 1991, I earned a Master
`
`of Business Administration degree from the University of Texas at Austin as well.
`
`3.
`
`I have over 40 years of professional experience in wireless
`
`communications and telecom technology, including roles in large corporations as
`
`well as start-ups and consulting work. My career has included the design,
`
`implementation, and sale of many wireless components and systems, including for
`
`Institute of Electrical and Electronics Engineers (IEEE) 802.11-based wireless local
`
`– 1 –
`
`

`

`
`
`area network (WLAN) at 2.4 GHz, 5.0 GHz, and 60 GHz. I have also designed
`
`cellular chipsets for operation in cellular phones. See Ex. 1004. I also attended
`
`Bluetooth standards meetings and have testified in federal court several times
`
`regarding Bluetooth standards, equipment, and protocols.
`
`4.
`
`For example, from 1979 through 1991, I held the positions of Senior
`
`Engineer, Senior Member of the Technical Staff, and Member of the Technical Staff
`
`at Motorola, Inc. My work at Motorola, Inc. included serving as business manager,
`
`project leader, and senior technical member for projects relating to the development
`
`of various cellular modems, transceivers, and transcoders.
`
`5.
`
`As another example, in 1991, I co-founded Wireless Access, Inc., a
`
`start-up company focused on the Narrow Band PCS equipment market and which
`
`developed the over the air protocols, subscriber equipment, and integrated circuits
`
`to deploy 2-way paging services. I held the positions of Co-Founder, Chief
`
`Technical Officer, Vice President of Engineering, and Vice President of Business
`
`Strategy at Wireless Access, Inc. until it was sold to Glenarye Electronics in 1998.
`
`6.
`
`As another example, between 1998 and 2000, I was the Chief
`
`Technology Officer and Advisory Board Member of Picazo Communications, which
`
`built and sold software PBXs Telephony equipment using VoIP and Circuit
`
`Switched Technologies.
`
`– 2 –
`
`

`

`
`
`7.
`
`As another example, in 2004, I founded DoceoTech Inc., which
`
`provides
`
`training for engineers
`
`in Wireless, Networking, and Telephony
`
`technologies. Since 2004, I have served as the Chairman of DoceoTech Inc.
`
`8.
`
`From, 1999 to 2000, I was also an Interim CEO and Advisory Board
`
`Member of Atheros Communications, which built ICs for wireless LAN products
`
`including 802.11-based LANs.
`
`9.
`
`I was the founder and CEO of JetQue Inc., which developed messaging
`
`solutions for mobile environments.
`
`10.
`
`I was the founder and CEO of SiBEAM Inc., which developed high
`
`speed networking ICs for 60 GHz wireless LAN networking.
`
`11. Almost all of my products and designs involve communications
`
`between a mobile device and a remote server. For example, the JetQue system used
`
`software running on mobile phones to access and present audio files that were
`
`present on servers in the cloud. In this system, the mobile phone and the server used
`
`either WiFi or Cellular Data to communicate control information and audio data
`
`between the mobile phone and the server.
`
`12.
`
`I hold over 25 United States patents in wireless and signal processing
`
`technology, as well as numerous patent applications in the same field. Additionally,
`
`I am a Patent Agent registered with the U.S. Patent and Trademark Office since
`
`January 2002.
`
`– 3 –
`
`

`

`
`
`13.
`
`I have provided my opinions and/or testimony as an expert witness in
`
`topics relating to, for example, wireless communication technologies in matters
`
`before the International Trade Commission, U.S. district courts, and the U.S. Patent
`
`Trial and Appeals Board.
`
`14. My curriculum vitae is provided as Exhibit 1004.
`
`II. MATERIALS REVIEWED AND CONSIDERED
`
`15. My findings, as explained below, are based on my years of education,
`
`research, experience, and background in the field of wireless signal communications,
`
`including Wi-Fi, Bluetooth, and cellular communication technologies, as well as my
`
`investigation and study of relevant materials for this declaration. When developing
`
`the opinions set forth in this declaration, I assumed the perspective of a person
`
`having ordinary skill in the art, as set forth in Section IV below. In forming my
`
`opinions, I have studied and considered the materials identified in the list below as
`
`well as any of material specifically cited in my declaration.
`
`– 4 –
`
`

`

`
`
`Exhibit Description
`1001
`U.S. Patent No. 10,469,934
`
`1002
`
`1005
`
`1006
`
`1007
`
`1008
`
`1009
`
`1010
`
`1011
`
`1012
`
`1013
`
`1014
`
`1015
`
`1016
`
`1017
`
`1018
`
`1019
`
`1020
`
`Prosecution History of U.S. Patent No. 10,469,934
`
`Declaration of John G. Casali (“Casali”)
`
`Curriculum Vitae of John G. Casali
`
`PCT/US2009/039754 (“PCT Application”)
`
`U.S. Patent No. 8,190,203
`
`European Patent No. 2,272,259 (“EP ’259”)
`
`Request for Entry into the European Phase of PCT/US2009/039854
`(European Application No. 093731146.8) (Oct. 19, 2010)
`
`Communication regarding the transmission of the European search
`report (European Application No. 093731146.8) (June 10, 2011)
`
`Communication from Applicant (European Application No.
`093731146.8) (Nov. 30, 2011)
`
`PCT Publication No. WO2009/126614A1 (“Pelland”)
`
`Prosecution History of U.S. Patent No. 8,190,203
`
`PCT/US2008/88656 (PCT Publication No. WO2009/0886555A1)
`
`U.S. Patent Application Publication No. 2007/0165875 (“Rezvani”)
`
`U.S. Patent No. 6,856,690 (“Skulley”)
`
`U.S. Patent Application Publication No. 2004/0142693 (“Feder”)
`
`U.S. Patent No. 7,069,452 (“Hind”)
`
`U.S. Patent Application Publication No. 2008/0076489 (“Rosener”)
`
`– 5 –
`
`

`

`
`
`1021
`
`1022
`
`1023
`
`1024
`
`1025
`
`1026
`
`1027
`
`1028
`
`1029
`
`1030
`
`1031
`
`1033
`
`1034
`
`1035
`
`1036
`
`1037
`
`1038
`
`1039
`
`1040
`
`1041
`
`U.S. Patent No. 7,457,649 (“Wilson”)
`
`U.S. Patent Application Publication No. 2003/0223604 (“Nakagawa”)
`
`U.S. Patent Application Publication No. 2007/0253579
`
`U.S. Patent No. 7,627,289
`
`U.S. Patent No. 5,889,870
`
`U.S. Patent Application Publication No. 2008/0031475 (“Goldstein”)
`
`IEEE Std. 315, Graphic Symbols for Electrical and Electronic
`Diagrams (1975) (Reaffirmed 1993)
`
`U.S. Patent Application Publication No. 2006/0141950
`
`U.S. Patent Application Publication No. 2006/0083331
`
`U.S. Patent Application Publication No. 2007/0206776
`
`U.S. Patent Application Publication No. 2005/0286466
`
`U.S. Patent No. 5,761,298 (“Davis”)
`
`U.S. Patent No. 5,960,094
`
`U.S. Patent No. 6,295,366
`
`U.S. Patent Application Publication No. 2007/0110017
`
`U.S. Patent Application Publication No. 2004/0068653
`
`U.S. Patent Application Publication No. 2008/0113689
`
`U.S. Patent Application Publication No. 2005/0037818
`
`U.S. Patent Application Publication No. 2004/0210752
`
`U.S. Patent Application Publication No. 2007/0149261
`
`– 6 –
`
`

`

`
`
`1042
`
`1043
`
`1044
`
`1045
`
`1046
`
`1047
`
`1048
`
`1049
`
`1050
`
`1051
`
`1052
`
`1053
`
`1055
`
`1076
`
`1077
`
`U.S. Patent No. 8,180,078
`
`U.S. Patent Application Publication No. 2005/0058313
`
`U.S. Patent Application Publication No. 2007/0147629
`
`U.S. Patent Application Publication No. 2004/0078812
`
`U.S. Patent Application Publication No. 2008/0166005
`
`U.S. Patent Application Publication No. 2003/0065805
`
`Internet Archive of
`http://www.bose.com/controller?event=VIEW_PRODUCT_PAGE_E
`VENT&product=headphones_audio_subcategory (Nov. 1, 2007)
`
`U.S. Patent Application Publication No. 2007/0092098
`
`U.S. Patent Application Publication No. 2008/0226094
`
`U.S. Patent Application Publication No. 2003/0018810
`
`U.S. Patent Application Publication No. 2007/0258613
`
`U.S. Patent Application Publication No. 2009/0046869
`
`Koss Corp. v. Bose Corp., 6:20-cv-00661-ADA (Dkt. 1)
`(Complaint & Exs. A-G) (W.D. Tex. July 22, 2020)
`
`Skrainer, S. F., Royster, L.H., Berger, E.H., & Pearson, R. G. “Do
`Personal Radio Headsets Provide Hearing Protection,” Sound and
`Vibration, 19(5) (1985), 16-19
`
`Casali, J. G. & Park, M. Y., “Attenuation performance of four hearing
`protectors under dynamic movement and different user fitting
`conditions,” Human Factors (1990)
`
`– 7 –
`
`

`

`
`
`1078
`
`1081
`
`1083
`
`1084
`
`1085
`
`1086
`
`1087
`
`1088
`
`1089
`
`1090
`
`1091
`
`1092
`
`1093
`
`1094
`
`1095
`
`1096
`
`1097
`
`1098
`
`1099
`
`U.S. Patent No. 7,564,989
`
`U.S. Patent Application Publication No. 2007/0123171
`
`U.S. Patent No. 8,571,544
`
`Prosecution History of 8,571,544
`
`U.S. Patent No. 9,049,502
`
`Prosecution History of 9,049,502
`
`U.S. Patent No. 9,438,987
`
`Prosecution History of 9,438,987
`
`U.S. Patent No. 9,497,535
`
`Prosecution History of 9,497,535
`
`U.S. Patent No. 9,729,959
`
`Prosecution History of 9,729,959
`
`U.S. Patent No. 9,986,325
`
`Prosecution History of 9,986,325
`
`U.S. Patent No. 10,206,025
`
`Prosecution History of 10,206,025
`
`U.S. Patent Application Publication No. 2007/0136446
`(“Rezvani-446”)
`
`U.S. Patent Application Publication No. 2006/0229014 (“Harada”)
`
`PCT Publication No. WO 2006/098584 (“Oh”)
`
`– 8 –
`
`

`

`
`
`1100
`
`1101
`
`1102
`
`1103
`
`1104
`
`1105
`
`1106
`
`1107
`
`1108
`
`1109
`
`1110
`
`1111
`
`1112
`
`1113
`
`1114
`
`1115
`
`1116
`
`U.S. Patent Application Publication No. 2004/0165720
`
`U.S. Patent No. 7,072,686 (“Schrager”)
`
`U.S. Patent Application Publication No. 2002/0160820
`
`U.S. Patent Application Publication No. 2002/0197956
`
`U.S. Patent Application Publication No. 2004/0133734
`
`U.S. Patent Application Publication No. 2004/0204168
`
`U.S. Patent Application Publication No. 2005/0073522
`
`U.S. Patent Application Publication No. 2006/0052144
`
`U.S. Patent Application Publication No. 2006/0163358
`
`U.S. Patent Application Publication No. 2006/0217827
`
`U.S. Patent Application Publication No. 2008/0016205
`
`U.S. Patent Application Publication No. 2008/0133551
`
`U.S. Patent Application Publication No. 2008/0298613
`
`U.S. Patent No. 4,456,795
`
`U.S. Patent No. 5,998,275
`
`U.S. Patent No. 6,499,129
`
`U.S. Patent No. 7,039,944
`
`– 9 –
`
`

`

`
`
`1117
`
`1125
`
`1126
`
`1127
`
`1128
`
`1129
`
`1130
`
`1131
`
`1132
`
`1133
`
`1134
`
`1135
`
`1136
`
`U.S. Patent No. 7,289,775
`
`Plaintiff Koss Corporation’s Preliminary Infringement Contentions,
`Koss Corp. v. Bose Corp., 6:20-cv-00661 (served February 5, 2021)
`
`U.S. Patent Application Publication No. 2002/0098878
`
`U.S. Patent No. 6,097,809
`
`U.S. Patent Application Publication No. 2007/0167187
`
`Complaint, Koss Corp. v. Apple Inc., 6-20-cv-00665
`
`U.S. Patent Application Publication No. 2002/0068610
`
`U.S. Patent Application Publication No. 2005/0201585
`
`U.S. Patent Application Publication No. 2003/0073460
`
`U.S. Patent Application Publication No. 2003/0100274
`
`U.S. Patent No. 7,065,342
`
`U.S. Patent Application Publication No. 2002/0041697
`
`U.S. Patent Application Publication No. 2003/0228019
`
`1137
`
`U.S. Patent Application Publication No. 2005/0089181
`
`1138
`
`1139
`
`1140
`
`1141
`
`1142
`
`1143
`
`U.S. Patent Application Publication No. 2007/01