Posts Tagged: Patent Validity


Federal Circuit Remands PTAB Decision to Uphold Patent Claims Challenged By Nintendo

While the recent decision did uphold the PTAB’s finding of validity of some claims, the Federal Circuit reversed and remanded part of the decision in a …
By Steve Brachmann
12 days ago 0

PTAB Facts: An ugly picture of a tribunal run amok

69% of cases reaching a final decision by the PTAB have all claims invalidated. 82.5% of patents reviewed by PTAB in a final decision are found defective... As the …

PTAB Errors Fatal to Hundreds of Legitimate Patents

There have been 220 patents upheld as valid in real courts and also subject to a final written decision in the PTAB. The PTAB only agreed with the …

Willful Infringement, Opinion Letters, & Post-Halo Trends

In one of the first district court cases to apply Halo, the Eastern District of Pennsylvania was confronted with a defendant who obtained a noninfringement opinion sometime …
By JD Wooten
4 months ago 0

The PTAB Killing Fields: VirnetX patents worth more than $1 billion in district court lost at PTAB

So obviously the patent claims VirnetX has used to pursue infringers such as Apple and Microsoft are not the weak patents that opponents of the patent system …
By Steve Brachmann & Gene Quinn
7 months ago 25

Prepare for More Estoppel if the Supreme Court Reverses Federal Circuit on Partial IPR Institutions

Partial institutions lessen the value of estoppel because the petitioner avoids estoppel on claims that were challenged but not instituted. The PTAB never issues a final written …
By Jason German & Wayne Stacy
7 months ago 1

Federal Circuit Clarifies On-Sale Bar Under America Invents Act

In Helsinn Healthcare S.A. v. Teva Pharms. USA, Inc., the Federal Circuit reversed the district court and held that Helsinn’s pre-AIA patent claims, “were subject …

Recent court rumblings about a narrow scope of IPR estoppel

An Inter Partes Review (IPR) is an important tool for companies that face frequent patent infringement challenges. An IPR is essentially a mini-litigation focusing solely on patent …
By Mitchell Feller
9 months ago 2

The Transformation of the American Patent System: Adverse Consequences of Court Decisions

Activist Supreme Court decisions in the last decade have been principally responsible for these changes, stimulated by aggressive technology company incumbent lobbying. The combination of these decisions …
By Neal Solomon
12 months ago 22

Are You Maximizing Your Intellectual Property? Generating more value in the innovation era

Today’s pace of innovation and competitive intensity demand greater protection of new ideas and inventions. Yet intellectual property (IP) management is not a high business priority …
By John F. Martin
2 years ago 1