IPA Technologies Inc., which is a wholly owned subsidiary of Wi-LAN Technologies Inc., which is a wholly owned subsidiary of Wi-LAN Inc., which is a wholly owned subsidiary of Quarterhill Inc.

62 Cited authorities

  1. KSR International Co. v. Teleflex Inc.

    550 U.S. 398 (2007)   Cited 1,538 times   183 Legal Analyses
    Holding that, in an obviousness analysis, "[r]igid preventative rules that deny factfinders recourse to common sense, however, are neither necessary under our case law nor consistent with it"
  2. Phillips v. AWH Corp.

    415 F.3d 1303 (Fed. Cir. 2005)   Cited 5,780 times   164 Legal Analyses
    Holding that "because extrinsic evidence can help educate the court regarding the field of the invention and can help the court determine what a person of ordinary skill in the art would understand claim terms to mean, it is permissible for the district court in its sound discretion to admit and use such evidence"
  3. Graham v. John Deere Co.

    383 U.S. 1 (1966)   Cited 3,168 times   66 Legal Analyses
    Holding commercial success is a "secondary consideration" suggesting nonobviousness
  4. Vivid Technologies v. American Science

    200 F.3d 795 (Fed. Cir. 1999)   Cited 734 times   5 Legal Analyses
    Holding that party opposing summary judgment must show either that movant has not established its entitlement to judgment on the undisputed facts or that material issues of fact require resolution by trial
  5. WMS Gaming Inc. v. International Game Technology

    184 F.3d 1339 (Fed. Cir. 1999)   Cited 536 times   7 Legal Analyses
    Holding that district court correctly determined structure was "an algorithm executed by a computer," but "erred by failing to limit the claim to the algorithm disclosed in the specification"
  6. GE Lighting Solutions, LLC v. Agilight, Inc.

    750 F.3d 1304 (Fed. Cir. 2014)   Cited 305 times   2 Legal Analyses
    Holding that where patentee fails to indicate any intent to define a term, it is proper for the court to find "[t]here is no lexicography or disavowal"
  7. Superguide Corp. v. Directv Enterprises

    358 F.3d 870 (Fed. Cir. 2004)   Cited 301 times   12 Legal Analyses
    Holding that a party "waived its right to assert a construction other than 'matches or equals' for the term 'meet'" because it agreed to that construction in its briefs
  8. Technology v. Videotek

    545 F.3d 1316 (Fed. Cir. 2008)   Cited 246 times   2 Legal Analyses
    Holding that use of term “black box” did not render the claim indefinite because that term was known in the field to represent video standard detector circuitry
  9. Stratoflex, Inc. v. Aeroquip Corp.

    713 F.2d 1530 (Fed. Cir. 1983)   Cited 481 times   12 Legal Analyses
    Finding evidence of nonobviousness in the "[r]ecognition and acceptance of patent by competitors who take licenses under it"
  10. Ormco Corp. v. Align Technology, Inc.

    463 F.3d 1299 (Fed. Cir. 2006)   Cited 203 times   5 Legal Analyses
    Holding that evidence that success was due to prior art features rebutted the presumption
  11. Section 103 - Conditions for patentability; non-obvious subject matter

    35 U.S.C. § 103   Cited 6,105 times   470 Legal Analyses
    Holding the party seeking invalidity must prove "the differences between the claimed invention and the prior art are such that the claimed invention as a whole would have been obvious before the effective date of the claimed invention to a person having ordinary skill in the art to which the claimed invention pertains."
  12. Section 102 - Conditions for patentability; novelty

    35 U.S.C. § 102   Cited 5,973 times   986 Legal Analyses
    Prohibiting the grant of a patent to one who "did not himself invent the subject matter sought to be patented"
  13. Section 282 - Presumption of validity; defenses

    35 U.S.C. § 282   Cited 3,922 times   139 Legal Analyses
    Granting a presumption of validity to patents
  14. Section 314 - Institution of inter partes review

    35 U.S.C. § 314   Cited 374 times   630 Legal Analyses
    Directing our attention to the Director's decision whether to institute inter partes review "under this chapter" rather than "under this section"
  15. Section 316 - Conduct of inter partes review

    35 U.S.C. § 316   Cited 288 times   310 Legal Analyses
    Stating that "the petitioner shall have the burden of proving a proposition of unpatentability"
  16. Section 318 - Decision of the Board

    35 U.S.C. § 318   Cited 161 times   139 Legal Analyses
    Governing the incorporation of claims added via the operation of § 316(d)
  17. Section 312 - Petitions

    35 U.S.C. § 312   Cited 128 times   118 Legal Analyses
    Governing inter partes reexamination
  18. Section 42.100 - Procedure; pendency

    37 C.F.R. § 42.100   Cited 191 times   75 Legal Analyses
    Providing that the PTAB gives " claim . . . its broadest reasonable construction in light of the specification of the patent in which it appears"
  19. Section 42.1 - Policy

    37 C.F.R. § 42.1   Cited 21 times   29 Legal Analyses

    (a)Scope. Part 42 governs proceedings before the Patent Trial and Appeal Board. Sections 1.4 , 1.7 , 1.14 , 1.16 , 1.22 , 1.23 , 1.25 , 1.26 , 1.32 , 1.34 , and 1.36 of this chapter also apply to proceedings before the Board, as do other sections of part 1 of this chapter that are incorporated by reference into this part. (b)Construction. This part shall be construed to secure the just, speedy, and inexpensive resolution of every proceeding. (c)Decorum. Every party must act with courtesy and decorum

  20. Section 42.20 - Generally

    37 C.F.R. § 42.20   Cited 16 times   38 Legal Analyses

    (a)Relief. Relief, other than a petition requesting the institution of a trial, must be requested in the form of a motion. (b)Prior authorization. A motion will not be entered without Board authorization. Authorization may be provided in an order of general applicability or during the proceeding. (c)Burden of proof. The moving party has the burden of proof to establish that it is entitled to the requested relief. (d)Briefing. The Board may order briefing on any issue involved in the trial. 37 C.F

  21. Section 42.6 - Filing of documents, including exhibits; service

    37 C.F.R. § 42.6   Cited 9 times   43 Legal Analyses

    (a)General format requirements. (1) Page size must be 81/2 inch * 11 inch except in the case of exhibits that require a larger size in order to preserve details of the original. (2) In documents, including affidavits, created for the proceeding: (i) Markings must be in black or must otherwise provide an equivalent dark, high-contrast image; (ii) 14-point, Times New Roman proportional font, with normal spacing, must be used; (iii) Double spacing must be used except in claim charts, headings, tables

  22. Section 42.53 - Taking testimony

    37 C.F.R. § 42.53   Cited 4 times   21 Legal Analyses

    (a)Form. Uncompelled direct testimony must be submitted in the form of an affidavit. All other testimony, including testimony compelled under 35 U.S.C. 24 , must be in the form of a deposition transcript. Parties may agree to video-recorded testimony, but may not submit such testimony without prior authorization of the Board. In addition, the Board may authorize or require live or video-recorded testimony. (b)Time and location. (1) Uncompelled direct testimony may be taken at any time to support

  23. Section 42.64 - Objection; motion to exclude

    37 C.F.R. § 42.64   Cited 4 times   24 Legal Analyses

    (a)Deposition evidence. An objection to the admissibility of deposition evidence must be made during the deposition. Evidence to cure the objection must be provided during the deposition, unless the parties to the deposition stipulate otherwise on the deposition record. (b)Other evidence. For evidence other than deposition evidence: (1)Objection. Any objection to evidence submitted during a preliminary proceeding must be filed within ten business days of the institution of the trial. Once a trial

  24. Section 90.2 - Notice; service

    37 C.F.R. § 90.2   2 Legal Analyses

    (a)For an appeal under 35 U.S.C. 141 . (1) (i) In all appeals, the notice of appeal required by 35 U.S.C. 142 must be filed with the Director by electronic mail to the email address indicated on the United States Patent and Trademark Office's web page for the Office of the General Counsel. This electronically submitted notice will be accorded a receipt date, which is the date in Eastern Time when the correspondence is received in the Office, regardless of whether that date is a Saturday, Sunday,