News & Analysis as of

Patent Litigation Delays

Fish & Richardson

Federal Circuit: PTE for Reissue Patents Should Be Calculated From Original Patent’s Issue Date

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On March 13, 2025, the Federal Circuit decided in Merck Sharp & Dohme B.V. v. Aurobindo Pharma USA, Inc. (No. 2023-2254) how patent term extensions (PTEs) apply to reissued patents under the Hatch-Waxman Act....more

Morrison & Foerster LLP

Sonos v. Google Breathes New Life into Prosecution Laches Doctrine

A recent district court decision in Sonos v. Google has set forth a novel application of the prosecution laches doctrine to a patent with a post-1995 priority date. Sonos Inc. v. Google LLC, 20-06754 WHA, 2023 WL 6542320...more

American Conference Institute (ACI)

[Virtual Event] Paragraph IV on Virtual Trial - COVID-19 Edition - August 20th, 8:45 am - 6:00 pm EDT

Join us for a one-day virtual event for Counsel for Hatch-Waxman Litigators. While COVID-19 prevented us from meeting in person this April in NYC, we are pleased to announce a special one-day virtual event Paragraph IV on...more

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

PTAB Strategies and Insights - June 2020

The PTAB Strategies and Insights newsletter provides timely updates and insights into how best to handle proceedings at the USPTO. It is designed to increase return on investment for all stakeholders looking at the entire...more

American Conference Institute (ACI)

[Webinar] Examining the COVID-19 Effect on the Business and Practice of Hatch-Waxman Litigation - June 2nd, 12:00 pm - 1:00 pm EST

The coronavirus global pandemic has ushered in extraordinary roadblocks for the pharmaceutical industry. To help you carve out a path forward, in-house senior executives and industry leaders will convene virtually at ACI’s...more

Smart & Biggar

Federal Court dismisses patent infringement Action for delay

Smart & Biggar on

In Sikes et al. v Encana Corporation et al. (Court File No. T-1345-13), the Federal Court recently issued an Order dismissing the Action for delay following a status review under section 382.1 of the Federal Courts Rules,...more

Faegre Drinker Biddle & Reath LLP

After Supernus: It’s Up to You to Keep Your Patent Alive All Its Days

Patentees may obtain additional PTA if the USPTO’s calculation of “applicant delay” includes a period of time during which the patentee could have taken “no identifiable effort” to avoid. However, the onus is entirely on the...more

Proskauer - New England IP Blog

After Rain Delay, Preliminary Injunction Denied

In a recent case involving competitors in the market of storm water chambers, underground structures for the collection and management of rain and snow storm water, the District of Connecticut court denied a motion for...more

McDonnell Boehnen Hulbert & Berghoff LLP

Pfizer, Inc. v. Lee (Fed. Cir. 2016)

Last month, in Pfizer, Inc. v. Lee, the Federal Circuit determined that the District Court for the Eastern District of Virginia did not err in granting summary judgment in favor of the U.S. Patent and Trademark Office on the...more

Mintz - Intellectual Property Viewpoints

Pfizer v. Lee: A Patent Term Adjustment Double Standard?

In Pfizer v. Lee (No. 2015-1265, January 22, 2016), the Federal Circuit upheld the U.S. Patent and Trademark Office’s (USPTO) determination that the toll period for A-type patent term adjustment (PTA) delay stops upon the...more

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

Federal Circuit Holds a Defective Restriction Requirement Ends Patent Term Adjustment

In Pfizer v. Lee, the Court of Appeals for the Federal Circuit held that a “defective” restriction requirement was sufficient to stop the period of patent term adjustment granted when the U.S. Patent and Trademark Office...more

Foley & Lardner LLP

Examination Delay Earns Patent Term Adjustment Only In One Application

Foley & Lardner LLP on

In Mohsenzadeh v. Lee, the Federal Circuit affirmed the district court’s decision that the USPTO’s delay in issuing a Restriction Requirement in a parent application does not earn Patent Term Adjustment (PTA) for the ensuing...more

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