News & Analysis as of

United States Patent and Trademark Office › Safe Harbors › Patent Invalidity

The U.S. Patent and Trademark Office is an agency of the United States Department of Commerce that serves a fundamental role in the U.S. intellectual property system by issuing patents and registering trademarks.... more +
The U.S. Patent and Trademark Office is an agency of the United States Department of Commerce that serves a fundamental role in the U.S. intellectual property system by issuing patents and registering trademarks.    less -
American Conference Institute (ACI)

[Virtual Conference] Passport to Proficiency on the Essentials of Hatch-Waxman and BPCIA - October 14th - 30th, 1:00 pm EST

American Conference Institute (ACI) on

ACI’s virtual Annual Passport to Proficiency on the Essentials of Hatch-Waxman and BPCIA equips early-career professionals with the legal and regulatory fluency needed to contribute meaningfully to product strategy and...more

McDermott Will & Emery

When a Divisional Is Not a Divisional: No Section 121 Safe Harbor for Reissue Patentee Who Retroactively Omitted New Matter - G.D....

McDermott Will & Emery on

Addressing the “safe harbor” provision under 35 U.S.C. § 121, the U.S. Court of Appeals for the Federal Circuit upheld a district court ruling that a reissue patent was invalid for obviousness-type double patenting. G.D....more

Foley & Lardner LLP

Federal Circuit Strikes Final Blow to Celebrex Patent

Foley & Lardner LLP on

In 2008, the Federal Circuit determined that claims 1-4 and 11-17 of U.S. Patent No. 5,760,068 were invalid for obviousness-type double patenting (OTDP) over a related parent patent, in part because the ‘068 patent was filed...more

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