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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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`VALVE CORPORATION,
`Petitioner,
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`v.
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`IRONBURG INVENTIONS LTD.,
`Patent Owner.
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`____________________
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`Case: IPR2016-00948
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`U.S. Patent 8,641,525
`____________________
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`PETITIONER’S NOTICE OF CROSS-APPEAL
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`To: Director of the United States Patent and Trademark Office
`c/o Office of the General Counsel
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`NOTICE OF CROSS-APPEAL
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`Please take notice that Petitioner Valve Corporation (“Valve”) hereby cross-
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`appeals under 35 U.S.C. §§ 141(c) and 142 and 37 C.F.R §§ 90.2 and 90.3 to the
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`U.S. Court of Appeals for the Federal Circuit from the final written decision of
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`September 22, 2017 (Paper 44), and from the rehearing decision of January 26,
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`2018 (Paper 54), of the inter-partes review proceeding IPR2016-00948 before the
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`Patent Trial and Appeal Board (PTAB) of the United States Patent and Trademark
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`Office (USPTO), in which the PTAB did not find claims 1-11, 13, 16, and 17
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`obvious over the combination of U.S. Patent App. Pub. 2010/0073283 (“Enright”)
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`and U.S. Patent No. 5,989,123 (“Tosaki”), and did not find claim 18 obvious over
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`the combination of Enright, Tosaki and U.S. Patent No. 4,032,728 (“Oelsch”).
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`Patent Owner Ironburg Inventions Ltd. (“Ironburg”) filed a notice of appeal with
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`this Court on March 27, 2018 from the same final written decision and rehearing
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`decision in IPR2016-00948 (CAFC Docket 18-1731), and so the present notice of
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`cross-appeal is timely under the Federal Rule of Appellate Procedure (“FRAP”)
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`4(a)(3).
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`ISSUES ON CROSS-APPEAL
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`For the limited purpose of providing the Director of the USPTO the
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`information required under 37 C.F.R. 90.2(a)(3)(ii), Valve hereby identifies the
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`following issues on cross-appeal:
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`(a) Whether the PTAB erred in finding that Valve did not demonstrate
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`sufficiently that claims 1-11, 13, 16, and 17 are obvious over the
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`combination of Enright and Tosaki, including any supporting
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`determinations by the PTAB;
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`(b) Whether the PTAB erred in finding that Valve did not demonstrate
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`sufficiently that claim 18 is obvious over the combination of Enright,
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`Tosaki and Oelsch, including any supporting determinations by the
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`PTAB.
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`RELATED FILINGS AND SERVICE
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`This Notice is being filed today with the Director of the USPTO by USPS
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`Priority Mail Express®, per 37 C.F.R § 90.2(a), at:
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`Director of the USPTO
`c/o Office of the General Counsel of the USPTO
`P.O. Box 1450
`Alexandria, VA 22313-1450
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`A true copy of this Notice has also been filed today with the PTAB through
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`the PTAB E2E electronic filing system, per 37 C.F.R § 90.2(a).
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`A true copy is also being electronically filed today with the United States
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`Court of Appeals for the Federal Circuit (including copies of the PTAB decisions
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`being appealed from and payment of the requisite filing fee), with a paper copy
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`simultaneously sent by USPS Priority Mail Express® to:
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`Clerk of Court
`United States Court of Appeals for the
`Federal Circuit 717 Madison Place NW
`Washington, DC 20439
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`A true copy of this Notice has also been electronically served today on
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`Ironburg’s counsel of record (Manatt, Phelps & Phillips, LLP) at the following
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`electronic mail addresses:
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`Robert Becker, Reg. No. 37,778
`RBecker@manatt.com
`Ehab M. Samuel, Reg. No. 57,905
`ESamuel-PTAB@manatt.com
`ESamuel@manatt.com
`Yasser El-Gamal, Reg. No. 45,339
`YEIGamal@manatt.com
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`Dated: April 4, 2018
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`Respectfully submitted,
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`By:_________________
`Joshua C. Harrison (josh@bhiplaw.com)
`Reynaldo C. Barceló (rey@bhiplaw.com)
`Barceló, Harrison & Walker, LLP
`2901 West Coast Hwy, Suite 200
`Newport Beach, CA 92663
`Telephone: (949) 340-9736
`Counsel for Petitioner/Cross-Appellant
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`FORM 30. Ce•·tificate of Se rvice
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`Fonn 30
`Rev. 03/16
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`UNITED STATES COURT OF APPEALS FOR THE FEDERAL CIRCUIT
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`CERTIFICATE OF SERVICE
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`I certify that I served a copy on counsel of record on 04 Apr ii 20L8
`~============================
`by:
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`0 U.S. Ma il
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`OFax
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`O H a nd
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`~ Electron ic Means (by E-ma il or CMIECF)
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`J oshua C. Ha rrison
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`Name of Counsel
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`lsi J oshua C. Ha rrison
`Signa ture of Counsel
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`Law Firm
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`Address
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`Ba rcelo. Ha rrison & Walke r. LLP
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`2901 West Coast Hwy. Suite 200
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`City, State, Zip
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`Newport Beach. CA 92663
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`Telephone Number
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`(949) 340-9736
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`Fax Number
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`E-Ma il Address
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`(949) 258-5752
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`josh@bhiplaw.com
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`NOTE: For a ttorneys filing documents e lectronically, the na me of the filer under whose log-in a nd
`password a document is submitted mus t be preceded by a n "/s/" a nd typed in the space where the
`s igna ture wou ld otherwise a ppear. Gra phic a nd other electronic s ignatures are d iscouraged.
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`I Reset Fields I
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`- 5 -
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