Legal Opinion

Hyatt v. Iancu

Court of Appeals for the D.C. Circuit

Decided July 31, 2018No. Civil Action No. 05-2310 (RCL); Civil Action No. 09-1864 (RCL); Civil Action No. 09-1869 (RCL); Civil Action No. 09-1872 (RCL)PublishedCited by 6 opinions

1Opinion of the Court

Royce C. Lamberth, United States District Judge *117I. BACKGROUND

Before the Court is the defendant's asserted affirmative defense of prosecution laches in the four above-captioned cases. Prosecution laches is an equitable doctrine that can hold patents unenforceable when an applicant engages in unnecessary and unexplained delays in prosecuting a patent. See In re Bogese , 303 F.3d 1362, 1367 (Fed. Cir. 2002) ; Symbol Technologies, Inc. v. Lemelson Medical , 277 F.3d 1361, 1365-66 (Fed. Cir. 2002) ( Symbol Techs. I ); Woodbridge v. United States , 263 U.S. 50, 56, 44 S.Ct. 45, 68 L.Ed. 159 (1923)…

2Cases cited14 opinions

  1. Advanced Cardiovascular Systems, Inc., Plaintiff/cross-Complaint v. Scimed Life Systems, Inc., and Robert L. Hess, Cross-Complainant/appellantCourt of Appeals for the Federal Circuit · 1993
  2. United States v. American Bell Telephone Co.Supreme Court of the United States · 1897
  3. Kappos v. HyattSupreme Court of the United States · 2012
  4. Woodbridge v. United StatesSupreme Court of the United States · 1923
  5. Gilbert P. Hyatt v. Gary W. BooneCourt of Appeals for the Federal Circuit · 1998

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3Cited by6 opinions

  1. Hyatt v. U.S. Patent & Trademark OfficeCourt of Appeals for the D.C. Circuit · 2018
  2. Hyatt v. HirshfeldCourt of Appeals for the Federal Circuit · 2021
  3. Hyatt v. HirshfeldCourt of Appeals for the Federal Circuit · 2021
  4. Hyatt v. MatalDistrict Court, District of Columbia · 2022
  5. Hyatt v. MatalDistrict Court, District of Columbia · 2020

1 more not listed; retrieve them via the Exa API.

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