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Oral Presentation On Behalf of
`Estech Systems, Inc.
`Patent Owner
`( J u l y 1 2 , 2 0 2 2 )
`
`RingCentral, Inc. v. EstechSystems, Inc., I P R 2 0 2 1 - 0 0 5 7 4
`
`DEMONSTRATIVE EXHIBIT - NOT EVIDENCE
`
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`IPR2021-00574
`GTP EX 2014 Page 1
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`

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`Petitioner’s Unpatentability Grounds.
`
`2
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`DEMONSTRATIVE EXHIBIT - NOT EVIDENCE
`
`
`Paper 1 at 7.
`
`IPR2021-00574
`GTP EX 2014 Page 2
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`

`

`’298 Patent: “Phone Directory in a Voice Over IP Telephone System”
`
`3
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`DEMONSTRATIVE EXHIBIT - NOT EVIDENCE
`
`
`Ex. 1001, Fig. 3.
`
`IPR2021-00574
`GTP EX 2014 Page 3
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`

`

`Independent Claim 1
`
`4
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`DEMONSTRATIVE EXHIBIT - NOT EVIDENCE
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`
`IPR2021-00574
`GTP EX 2014 Page 4
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`

`

`Chang does not disclose a “telecommunications device” (Claim 1[e]).
`
`5
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`DEMONSTRATIVE EXHIBIT - NOT EVIDENCE
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`IPR2021-00574
`GTP EX 2014 Page 5
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`

`

`Petitioner concedes that the telephone is not coupled to Chang’s LAN.
`
`6
`
`Paper 1 at 23-24 (emphasis added).
`DEMONSTRATIVE EXHIBIT - NOT EVIDENCE
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`IPR2021-00574
`GTP EX 2014 Page 6
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`

`

`Petitioner concedes that the telephone is not coupled to Chang’s LAN.
`
`7
`
`Paper 1 at 23-24 (emphasis added
`DEMONSTRATIVE EXHIBIT - NOT EVIDENCE
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`IPR2021-00574
`GTP EX 2014 Page 7
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`

`

`Chang’s workstation is not a “telecommunications device.”
`
`Ex. 1003, 5:28-32.
`
`8
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`DEMONSTRATIVE EXHIBIT - NOT EVIDENCE
`
`
`IPR2021-00574
`GTP EX 2014 Page 8
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`

`

`Chang’s workstation is not a “telecommunications device.”
`
`Ex. 1003, 37:22-25.
`
`Ex. 1003, 57:18-21.
`
`9
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`DEMONSTRATIVE EXHIBIT - NOT EVIDENCE
`
`
`IPR2021-00574
`GTP EX 2014 Page 9
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`

`

`Chang’s physically separate telephone and workstation are not a
`“telecommunications device.”
`Petitioner did not argue that it would have been obvious to
`combine the telephone and workstation into a device.
`
`10
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`DEMONSTRATIVE EXHIBIT - NOT EVIDENCE
`
`
`Paper 1 at 28.
`
`IPR2021-00574
`GTP EX 2014 Page 10
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`

`

`Claim 1[h] requires storing the second-LAN and third-LAN lists in a server in
`the second LAN.
`
`• Patent Owner: “the
`list…” is the list observed
`by the user of first
`telecommunications
`device.
`• Petitioner: “the list…” is
`the list of
`telecommunications
`extensions coupled to
`the second LAN.
`
`11
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`DEMONSTRATIVE EXHIBIT - NOT EVIDENCE
`
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`IPR2021-00574
`GTP EX 2014 Page 11
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`

`

`Petitioner’s interpretation of claim 1[h] would limit dependent claims 3 and 6
`to displaying/playing only the second-LAN list.
`
`12
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`DEMONSTRATIVE EXHIBIT - NOT EVIDENCE
`
`
`IPR2021-00574
`GTP EX 2014 Page 12
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`

`

`Petitioner’s characterization of Chang confirms that Ground 1 does not
`render obvious claim 1[h] under Patent Owner’s interpretation.
`
`13
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`DEMONSTRATIVE EXHIBIT - NOT EVIDENCE
`
`
`Paper 1 at 39.
`
`IPR2021-00574
`GTP EX 2014 Page 13
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`

`

`Petitioner’s characterization of Chang confirms that Ground 1 does not
`render obvious claim 1[h] under Patent Owner’s interpretation.
`
`14
`
`DEMONSTRATIVE EXHIBIT - NOT EVIDENCE
`
`
`Paper 1 at 39.
`
`IPR2021-00574
`GTP EX 2014 Page 14
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`

`

`Ground 1 does not render obvious claim 1[h] under Patent Owner’s
`interpretation.
`
`15
`
`DEMONSTRATIVE EXHIBIT - NOT EVIDENCE
`
`
`Ex. 1003, Fig. 3A.
`
`IPR2021-00574
`GTP EX 2014 Page 15
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`

`

`Petitioner’s characterization of Byrne confirms that Ground 1 does not
`render obvious claim 1[h] under Patent Owner’s interpretation.
`
`16
`
`DEMONSTRATIVE EXHIBIT - NOT EVIDENCE
`
`
`Paper 1 at 40.
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`IPR2021-00574
`GTP EX 2014 Page 16
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`

`

`Ground 1 does not render obvious claim 1[h] under Patent Owner’s
`interpretation.
`
`17
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`DEMONSTRATIVE EXHIBIT - NOT EVIDENCE
`
`
`Ex. 1004, Fig. 1.
`
`IPR2021-00574
`GTP EX 2014 Page 17
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`

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`Neither Chang nor Byrne discloses does not discloses selecting between
`second-LAN and third-LAN lists.
`
`18
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`DEMONSTRATIVE EXHIBIT - NOT EVIDENCE
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`IPR2021-00574
`GTP EX 2014 Page 18
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`

`

`Petitioner concedes that Chang does not disclose limitation 1[i].
`
`Paper 1 at 43.
`
`19
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`DEMONSTRATIVE EXHIBIT - NOT EVIDENCE
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`IPR2021-00574
`GTP EX 2014 Page 19
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`

`

`Byrne does not disclose limitation 1[i].
`
`20
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`DEMONSTRATIVE EXHIBIT - NOT EVIDENCE
`
`
`Ex. 1004, Fig. 4.
`
`IPR2021-00574
`GTP EX 2014 Page 20
`
`

`

`Byrne does not disclose limitation 1[i].
`
`21
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`
`Ex. 1004, Fig. 9.
`
`IPR2021-00574
`GTP EX 2014 Page 21
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`

`

`Dependent Claim 4
`
`22
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`IPR2021-00574
`GTP EX 2014 Page 22
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`

`

`Chang does not disclose an “IP telephone.”
`
`23
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`DEMONSTRATIVE EXHIBIT - NOT EVIDENCE
`
`
`IPR2021-00574
`GTP EX 2014 Page 23
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`

`

`Petitioner identified only
`
`Chang’s workstation as the “IP telephone.”
`
`24
`
`DEMONSTRATIVE EXHIBIT - NOT EVIDENCE
`
`
`Paper 1 at 47-48 (emphasis added).
`
`IPR2021-00574
`GTP EX 2014 Page 24
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`

`

`Petitioner identified only
`
`Chang’s workstation as the “IP telephone.”
`
`Paper 1 at 48.
`
`25
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`DEMONSTRATIVE EXHIBIT - NOT EVIDENCE
`
`
`Paper 1 at 48-49.
`
`IPR2021-00574
`GTP EX 2014 Page 25
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`

`

`Petitioner’s new argument in reply is improper.
`
`Paper 1 at 47-48 (emphasis added).
`
`26
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`DEMONSTRATIVE EXHIBIT - NOT EVIDENCE
`
`
`Paper 18 at 19.
`
`IPR2021-00574
`GTP EX 2014 Page 26
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`

`

`An IP telephone must “communicate multimedia traffic using IP telephony
`technology.”
`
`Paper 13 at 31.
`
`27
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`DEMONSTRATIVE EXHIBIT - NOT EVIDENCE
`
`
`IPR2021-00574
`GTP EX 2014 Page 27
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`

`

`Chang’s workstation does not “communicate multimedia traffic using IP
`telephony technology.”
`
`Ex. 1003, 5:28-32.
`
`28
`
`DEMONSTRATIVE EXHIBIT - NOT EVIDENCE
`
`
`IPR2021-00574
`GTP EX 2014 Page 28
`
`

`

`Chang’s workstation does not “communicate multimedia traffic using IP
`telephony technology.”
`
`Ex. 1003, 37:22-25.
`
`Ex. 1003, 57:18-21.
`
`29
`
`DEMONSTRATIVE EXHIBIT - NOT EVIDENCE
`
`
`IPR2021-00574
`GTP EX 2014 Page 29
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`

`

`Chang’s workstation does not “communicate multimedia traffic using IP
`telephony technology.”
`
`30
`
`DEMONSTRATIVE EXHIBIT - NOT EVIDENCE
`
`
`Paper 13 at 31.
`
`IPR2021-00574
`GTP EX 2014 Page 30
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`

`

`Independent Claim 8
`
`31
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`DEMONSTRATIVE EXHIBIT - NOT EVIDENCE
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`IPR2021-00574
`GTP EX 2014 Page 31
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`

`

`Chang does not disclose an “IP telephone” (Claim 8[b]).
`
`32
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`DEMONSTRATIVE EXHIBIT - NOT EVIDENCE
`
`
`IPR2021-00574
`GTP EX 2014 Page 32
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`

`

`Petitioner identified only
`
`Chang’s workstation as the “IP telephone.”
`
`33
`
`Paper 1 at 54 (emphasis added).
`
`DEMONSTRATIVE EXHIBIT - NOT EVIDENCE
`
`
`IPR2021-00574
`GTP EX 2014 Page 33
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`

`

`Independent Claim 17
`
`34
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`DEMONSTRATIVE EXHIBIT - NOT EVIDENCE
`
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`IPR2021-00574
`GTP EX 2014 Page 34
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`

`

`Chang does not disclose an “IP telephone” (Claim 17[a]).
`
`35
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`DEMONSTRATIVE EXHIBIT - NOT EVIDENCE
`
`
`IPR2021-00574
`GTP EX 2014 Page 35
`
`

`

`Petitioner identified only
`
`Chang’s workstation as the “IP telephone.”
`
`Paper 1 at 59 (emphasis added).
`
`36
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`DEMONSTRATIVE EXHIBIT - NOT EVIDENCE
`
`
`IPR2021-00574
`GTP EX 2014 Page 36
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`

`

`Thank you.
`
`37
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`IPR2021-00574
`GTP EX 2014 Page 37
`
`

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