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Haug Partners Secures Victory Before the PTAB for Sartorius BioAnalytical Instruments, Inc.

On June 20, 2023, the Patent Trial and Appeal Board issued a decision in favor of Haug Partners client Sartorius BioAnalytical Instruments, Inc. (Gator Bio, Inc. v. Sartorius BioAnalytical Instruments, Inc., IPR2023-00215...more

Narrowing the Disclaimer Doctrine: Federal Circuit Cabins the Reach of Disclaimers in the IPR Context

OVERVIEW - The United States Court of Appeals for the Federal Circuit recently affirmed three Inter Partes Review (IPR) final written decisions of the U.S. Patent Trial and Appeal Board (“the Board”) where the Board...more

2021 Year in Review: Noteworthy Precedent for Patent Litigators

As the world marched forward in the face of the lingering covid-19 global pandemic, the Supreme Court and Federal Circuit followed suit, issuing several noteworthy decisions of which patent litigators should be aware in 2022....more

Minerva V. Hologic: Assignor Estoppel Doctrine Retained, But Limited

On June 29, 2021, the Supreme Court in a 5-4 decision retained the doctrine of assignor estoppel. However, the Court also held that “the Federal Circuit has applied the doctrine too expansively.” Accordingly, the Supreme...more

In SynQor, Inc. v. Vicor Corp., Federal Circuit Applies Collateral Estoppel to Related Inter Partes Reexamination Proceedings

On February 22, 2021, the Federal Circuit addressed for the first time whether collateral estoppel (i.e., issue preclusion) was applicable in inter partes reexamination proceedings. The case is SynQor, Inc. v. Vicor Corp.,...more

Joining Issue: The Federal Circuit Addresses the Interplay Between IPR Estoppel and IPR Joinder

On September 24, 2020 the Federal Circuit issued a decision in Network-1 Tech., Inc. v. Hewlett-Packard Co., in which the Federal Circuit addressed whether statutory estoppel under 35 U.S.C. § 315(e) applies to a party who...more

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