Posts Tagged: invalidity


Equitable Estoppel After the Loss of Laches from SCA v. First Quality

Equitable estoppel may be appropriate for the defendant in SCA v. First Quality since the plaintiff was silent for years after the defendant asserted invalidity (possibly fulfilling …
By Ryan Kenny
16 days ago 3

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 …

CAFC Affirms Board’s Claim Construction and Holds Waterproofing Patent Invalid

Outdry appealed from a Board determination that its patent directed to waterproofing leather was invalid as obvious in an inter partes review (IPR) proceeding. Outdry challenged the …

Are more than 90 percent of patents challenged at the PTAB defective?

At least 84 percent of patents reaching a final written decision in a PTAB validity challenge are adjudicated to have at least one invalid claim (usually many more …

Why NIH/Industry Partnerships Matter: Ask an HIV patient

Those who believe that patents aren't important or that companies would undertake the rigors of commercial development with only non-exclusive licenses don't understand the realities facing innovators …
By Joseph Allen
2 months ago 1

Federal Circuit Ends Ping-Pong with District Court, Affirming Summary Judgment

This marks the third return to the Federal Circuit of a dispute (the 050 case) between the ArcelorMittal Appellants and the AK Steel Appellees... Overall, the Federal Circuit …

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 …

CAFC Interprets AIA On-Sale Bar: Invention details need not be public for sale to be invalidating

Earlier today the United States Court of Appeals for the Federal Circuit issued a major decision interpreting provisions of the America Invents Act (AIA), specifically the AIA …
By Gene Quinn
3 months ago 6

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
3 months ago 2

The Federal Circuit should never use Rule 36 if a patent claim is invalidated

What happens if a patent owner who suffered that Rule 36 summary loss to Google at the Federal Circuit were to decide to sue another party – perhaps Apple – …
By Gene Quinn & Peter Harter
4 months ago 8

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
6 months ago 22

Patent Reform: An Analyst’s Perspective of the AIA

Perhaps the most challenging to accept is the notion that a tribunal created with a specific purpose of invalidation can be impartial to both the petitioners and …
By Elena Murphy
10 months ago 2

Executable mathematics renders inventions physical! Welcome to the digital age

The use of a mathematical formula in a claim can trigger a 35 USC 101 rejection or invalidation of the patented claim. However, the role of mathematics in physics …
By Peter Lablans
1 year ago 64

Finjan wins big patent victory as USPTO denies institution on 6 Symantec IPR petitions

That Finjan would prevail in six separate IPR institution decisions relating to the same patent litigation seems an extraordinary long shot. While Finjan has not said it …
By Gene Quinn
2 years ago 15

History Repeating Itself at the Supreme Court

The Supreme Court recently decided to review a pair of cases that challenge the Federal Circuit’s willful infringement test. The two cases, Halo Electronics, Inc. v. …
By Alex M. Grabowski
2 years ago 1