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Patent Litigation Appeals Obviousness-Type Double Patenting (ODP)

Baker Botts L.L.P.

Third Quarter 2024 Federal Circuit Law Update

Baker Botts L.L.P. on

Since serving as a Federal Circuit clerk, Michael Hawes has monitored that court's precedential opinions and prepares a deeply outlined index by subject matter (invalidity, infringement, claim construction, etc.) of relevant...more

McDermott Will & Emery

Later-Filed, Earlier-Expiring Patent Not an ODP Reference

McDermott Will & Emery on

Addressing invalidity due to obvious-type double patenting (ODP) based on later-filed-related patents, the US Court of Appeals for the Federal Circuit reversed a district court’s application of In re Cellect (Fed. Cir. 2023)...more

McDermott Will & Emery

Cellect Your Weapon: Navigating Potential Arguments in the Aftermath of In re Cellect

McDermott Will & Emery on

In In re Cellect, 81 F.4th 1216 (Fed. Cir. 2023), the US Court of Appeals for the Federal Circuit held that a later-expiring patent can be invalid for obviousness-type double patenting (ODP) in view of an earlier-expiring,...more

McDermott Will & Emery

Same Applicant, Similar Claims Support Obviousness-Type Double Patenting Rejection

The US Court of Appeals for the Federal Circuit affirmed a Patent Trial & Appeal Board obviousness-type double patenting rejection, finding that an unexpected mechanism of action does not render the known use of a known...more

Sterne, Kessler, Goldstein & Fox P.L.L.C.

Mind Your Ps and Qs, and Your PTAs Too

Last week, the Federal Circuit held that obviousness-type double patenting trumps patent term adjustment, opening the door for invalidity attacks that to date had been questionable. In re Cellect was an appeal from a...more

McDonnell Boehnen Hulbert & Berghoff LLP

Immunex Corp. v. Sandoz Inc. (Fed. Cir. 2020)

The Federal Circuit held recently that the "all substantive rights" test, used heretofore to determine the identity of the "patentee" for purposes of satisfying 35 U.S.C. § 281, should be the standard for determining common...more

McDonnell Boehnen Hulbert & Berghoff LLP

Boehringer Ingelheim Pharmaceuticals Inc. v. Mylan Pharmaceuticals Inc. (Fed. Cir. 2020)

Last month, in Boehringer Ingelheim Pharmaceuticals Inc. v. Mylan Pharmaceuticals Inc., the Federal Circuit reversed a decision by the U.S. District Court for the District of New Jersey finding certain claims of U.S. Patent...more

McDermott Will & Emery

Obviousness-Type Double Patenting: It’s Complicated

McDermott Will & Emery on

In two recent decisions, the US Court of Appeals for the Federal Circuit found that an asserted patent was not invalid due to obviousness-type double patenting (1) when a patent filed post-Uruguay Round Agreements Act of 1994...more

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