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Retroactive Application Appeals Constitutional Challenges

Dorsey & Whitney LLP

The Supreme Court Update - April 7, 2025

Dorsey & Whitney LLP on

Today, the Supreme Court of the United States granted certiorari in two cases: Ellingburg v. United States, No. 23-3129: This case addresses the Ex Post Facto Clause of the U.S. Constitution, which the government...more

Pierce Atwood LLP

Vested Rights Revisited

Pierce Atwood LLP on

In recent years, numerous state courts across the country have been asked to consider the question whether a plaintiff’s claim can be retroactively revived by the legislature after the claim has been extinguished by a statute...more

Fisher Phillips

Breaking Down the FTC Non-Compete Ban Appeals: Heading to a Circuit Split and SCOTUS Intervention?

Fisher Phillips on

The Federal Trade Commission has appealed two federal trial court decisions – one in Texas and one in Florida – that prevented the agency from enforcing its near-total ban on non-compete agreements. The Texas appeal, filed on...more

McDonnell Boehnen Hulbert & Berghoff LLP

Arthrex Files Certiorari Petition in Arthrex case

Arthrex recently filed a certiorari petition with the Supreme Court in Arthrex v. Smith & Nephew Inc. (a case related to Arthrex, Inc. v. Smith & Nephew, Inc., which has also the subject of petitions from the U.S. government...more

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

Federal Circuit Appeals From The PTAB: Summaries of Key 2019 Decisions: Arthrex v. Smith & Nephew, 941 F.3d 1320 (Fed. Cir. 2019)

Arthrex appealed a final written decision from an inter partes review (IPR) where the Patent Trial and Appeal Board (PTAB) found all challenged claims of its patent anticipated. On appeal, Arthrex argued for the first time...more

Seyfarth Shaw LLP

Challenge to North Dakota Farm Equipment Dealer Statute May Give New Life to Contract Clause Arguments by Manufacturers

Seyfarth Shaw LLP on

Article I, Section 10, Clause 1 of the United States Constitution provides that “[n]o state shall . . . pass any . . . Law Impairing the Obligation of Contracts . . . .” On August 2, 2019, a panel of the US Court of Appeals...more

McDermott Will & Emery

Retroactive Application of IPRs to Pre-AIA Patents is not Unconstitutional Taking

The US Court of Appeals for the Federal Circuit addressed for the first time whether the retroactive application of inter partes review (IPR) proceedings to pre-America Invents Act (AIA) patents is an unconstitutional taking...more

Mintz - Intellectual Property Viewpoints

Give and Take: IPR of Pre-AIA Patent is NOT an Unconstitutional Taking

On July 30, 2019, the Federal Circuit held that retroactive application of IPR (inter partes review) proceedings to pre-AIA (America Invents Act) patents is not an unconstitutional taking under the Fifth Amendment (Celgene...more

Troutman Pepper Locke

Inter Partes Review of Pre-AIA Patents is Constitutional

Troutman Pepper Locke on

Celgene Corp. v. Peter, Appeal Nos. 2018-1167, -1168, -1169 (Fed. Cir. July 30, 2019) - Celgene owned two patents that pertained to methods of safely distributing potentially hazardous drugs.  The patents were challenged...more

McDermott Will & Emery

Collaterally Estopped, Do Not Pass Go

In one of the latest decisions in the Apple/VirnetX saga, the US Court of Appeals for the Federal Circuit reiterated that Rule 36 affirmance can create collateral estoppel. VirnetX Inc. v. Apple, Inc., Case Nos. 17-2490,...more

Perkins Coie

CEQA Project Baseline Should Not Have Been Set Prior to Demolition of Historic Structure

Perkins Coie on

The Fourth District Court of Appeal held that the project baseline under CEQA for construction of a new home did not include demolition of a potential historic structure that had occurred before submittal of a permit...more

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