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`DROPBOX EX. 1023
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`UNITED STATES PATENT AND TRADEMARK OFFICE
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`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`DROPBOX, INC.,
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`Petitioner,
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`V.
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`SYNCHRONOSS TECHNOLOGIES, INC.,
`Patent Owner
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`INTER PARTES REVIEW OF U.S. PATENT NO. 6,671,757
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`DECLARATION OF THOMAS H. CORMEN, PH.D.
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`CONCERNING EXHIBIT 1007
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`Dropbox Ex. 1023
`Page 1
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`Dropbox Ex. 1023
`Page 1
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`
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`Cases IPR20] 6—00850, IPR2016—0085]
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`Patent 6, 6 71, 75 7
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`I, Thomas H. Cormen, hereby declare and state the following:
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`1.
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`I am a Professor in the Department of Computer Science at Dartmouth
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`College and was chair of the Department of Computer Science from July 2009-
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`July 2015.
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`2.
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`For several years in the late 1990s, the Association for Computing
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`Machinery (ACM) co—sponsored a workshop entitled Workshop on I/O in Parallel
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`and Distributed Systems, or “IOPADS,” for short.
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`3.
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`In 1997, I was Co-General Chair of the IOPADS workshop, which
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`was held in San Jose, California. The IOPADS 97 workshop was attended by
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`many leading professionals and academics from the field of computer science.
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`The IOPADS 97 workshop was open to anyone in the computer science
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`community who wanted to register. According to my records, approximately 97
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`computer science professionals attended the IOPADS 97 workshop.
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`4.
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`At the IOPADS 97 workshop, numerous professionals and academics
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`from the field of computer science presented papers whose subjects were related
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`to parallel and distributed systems. The proceedings of the conference, i.e., the
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`papers that were presented, were published by ACM in a single Volume titled
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`“Proceedings of the Fifth Workshop on 1/0 in Parallel and Distributed Systems”
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`(“IOPADS 97 Conference Proceedings Publication”). The IOPADS 97
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`Conference Proceedings Publication was distributed to all attendees at the
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`Dropbox Ex. 1023
`Page 2
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`Dropbox Ex. 1023
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`Cases IPR20] 6-00850, IPR20] 6-0085]
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`Patent 6, 67], 75 7
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`IOPADS 1997 workshop. The IOPADS 97 Conference Proceedings were
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`available to and accessible by members of the interested public in 1997.
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`5. While attending the IOPADS 97 workshop, I obtained a copy of the
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`IOPADS 97 Conference Proceedings Publication, which I have retained in my
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`possession.
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`6.
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`One of the papers that was presented at IOPADS 97 and published in
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`the volume distributed to conference attendees was authored by Randal C. Burns
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`and Darrell D.E. Long, entitled “Efficient Distributed Backup with Delta
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`Compression” (“Burns Publication”). 1 have reviewed Exhibit 1007, which is a
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`photocopy of the Burns Publication, and is the same one published in the IOPADS
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`97 Conference Proceedings Publication which was distributed to all attendees to
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`the IOPADS 1997 workshop.
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`7.
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`At the bottom of the first column of the Burns Publication, there are
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`two lines of text indicatingthe year of publication, which are consistent with my
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`understanding and recollection that the Burns Publication was available to
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`members of the public in 1997. First, the Burns Publication says “Copyright
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`1997.” Second, the Burns Publication says “IOPADS 97 San Jose CA USA,”
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`which, again, is consistent with my recollection and understanding that the Burns
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`Publication was included in the IOPADS 97 Conference Proceedings Publication.
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`Dropbox Ex. 1023
`Page 3
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`Dropbox Ex. 1023
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`8.
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`I understand that this declaration will be filed as evidence in a
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`Cases IPR2016-00850, IPR201 6-0085]
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`Patent 6, 6 71, 75 7
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`contested case before the Patent Trial and Appeal Board of the United States Patent
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`and Trademark Office.
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`I also understand that I may be subject to cross-
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`examination concerning this declaration, and I will appear for cross-examination, if
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`required of me, during the time allotted for cross-examination.
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`9.
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`I hereby declare that all of the statements made herein of my own
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`knowledge are true and that all statements made on information and belief are
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`believed to be true; and further that these statements were made with knowledge
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`that willful false statements and the like so made are punishable by fine or
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`imprisonment, or both, under Section 1001 of Title 18 of the United States Code.
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`Date: October 20 , 2016
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`C_-;=-nwgk
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`Dr. Thomas H. Cormen
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`Dropbox Ex. 1023
`Page 4
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`Dropbox Ex. 1023
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