Claim Term “Important” Leads to Indefiniteness

The Eastern District of Texas recently invalidated several patent claims that the court had found indefinite in a separate claim construction ruling in the case Uniloc 2017 v. Samsung. Interestingly, the court found the claim term… Read More

No Attorney Fees for § 101 Dismissal: Data Scape Ltd. v. Spotify USA Inc.

Despite a refiled case and a subsequent dismissal for ineligible subject matter, plaintiff Data Scape escaped paying attorney fees to defendant Spotify in a recent decision from the Central District of California.  Data Scape Lim… Read More

Federal Circuit Upholds Noninfringement Because of Claim Construction of “Extruded Parison”: Plastic Omnium v. Donghee America

The Federal Circuit recently upheld a summary judgment of noninfringement based on an undisputed claim construction in Plastic Omnium v. Donghee America. The dispute centered on manufacturing plastic fuel tanks by blow molding. Pl… Read More

On-Sale Bar: Patent Invalid over Defendant’s Sale of the Product

A district court ruled that the on-sale bar can be triggered by sales by third parties, even if the product is not delivered until after the critical date. In OneSubsea v. FMC, Civil Action No. H-18-2459 (Sept. 24, 2019), the Sout… Read More

“Circuit For” Interpreted as Means-Plus-Function

Even without the word “means,” claims can be interpreted as means-plus-function, as demonstrated by the Central District of California in a decision in Limestone Memory Systems v. Micron Technologies. The court interpreted the… Read More

Terminal Disclaimer: Common Ownership Necessary—or Not—for Standing

Two district courts recently came to the opposite conclusion on terminal disclaimers, an important issue in patent portfolio management. In both cases, the plaintiff asserted a patent for which a terminal disclaimer had been filed… Read More

Covenants Not to Sue Trigger Patent Exhaustion

The interaction of the patent exhaustion doctrine and covenants not to sue was highlighted in a recent opinion from the District of Delaware in Purdue v. Collegium. The court denied Collegium’s motion to dismiss, which was premi… Read More

State Universities Not Entitled to Sovereign Immunity from IPRs

Sovereign immunity does not exempt state governments from inter partes review, according to a Federal Circuit decision issued on Friday in Regents of the University of Minnesota v. LSI Corp. The decision extends the Federal Circui… Read More

On-Sale Bar Applies to Report Generated by Patented Invention

The on-sale bar spelled the end for some of Quest Integrity’s patent claims against Cokebusters in a recent Federal Circuit decision. Interestingly, the on-sale bar applied not because of a sale of a claimed invention but becaus… Read More

Markman Ruling Finds Preamble Limiting, Claim Term Indefinite

The Southern District of Texas issued an interesting Markman ruling in ConocoPhillips v. In-Depth Geophysical. While the court construed most of the claim terms in ConocoPhillips’s favor, In-Depth managed to secure rulings that… Read More