Posts Tagged: nonobviousness


Are All Safety-Related Inventions Obvious After Celgene?

The case of Celgene Corp. v. Peter, Nos. 2018-1167 et al. (Fed. Cir. July 30, 2019) has drawn attention for its decision that inter partes review (IPR) may be …
By Daniel Hanson
11 days ago 17

Distinguishing Colloquial Obviousness and Legal Obviousness

Have you ever worked with a lay inventor who had a hard time dealing with obviousness under U.S. patent law? Many patent lawyers have. It is …
By Daniel Hanson
3 months ago 8

Federal Circuit Vacates PTAB Decision That Video Messaging Patent Claims Were Nonobvious

The Federal Circuit panel of Circuit Judges Timothy Dyk, Evan Wallach and Richard Taranto determined that the PTAB’s decision to uphold patent claims challenged by WhatsApp …
By Steve Brachmann
9 months ago 6

CAFC Vacates PTAB Obviousness Decision, Nonobviousness Nexus Established by Patent Owner

The Federal Circuit recently issued a non-precedential decision in LiquidPower Specialty Products v. Baker Hughes, vacating and remanding a final written decision from the Patent Trial and …
By Gene Quinn & Steve Brachmann
10 months ago 7

Expansion of the Blocking Patent Doctrine: Trading Logic for Gremlins

Since Merck & Co. v. Teva Pharmaceuticals, blocking patent arguments have arisen in the Federal Circuit primarily in the pharmaceutical patent context, and until now have largely been …
By Melissa Brand & Hans Sauer
10 months ago 4

Federal Circuit Reverses, Finds Opioid Addiction Treatment Patent Nonobvious

The Federal Circuit reversed the District of Delaware’s decision to invalidate Orexo’s opioid treatment patent as obvious because obviousness was not proved by clear and …

Misapplication of Obviousness: What the MPEP gets wrong about obviousness rejections

MPEP 2141 actually cites to Arendi, but then quotes the case entirely out of context. This is a worrisome problem that can be found in many parts of …
By Gene Quinn
1 year ago 18

Federal Circuit applies collateral estoppel where prior IPR previously construed related claim

Collateral estoppel is not limited to identical patent claims or claims within a single patent and may preclude a contradictory construction of a claim term already construed …

PTAB Ruling Tainted by Hindsight; Failure to Consider Undisputed Commercial Success

The Federal Circuit also remanded to the Board further consideration of the undisputed evidence presented by Polaris that its ATVs were a commercial success. Polaris presented undisputed …

Federal Circuits invalidates patent covering starting a session on one communication-enabled device and transferring it to another

The Federal Circuit decision in the case of CRFD Research v. Matal resolves three appeals involving a single patent: CRFD’s ‘233 patent describing methods and systems that …

Federal Circuit: Less Preferred Alternative is not Teaching Away

In an obviousness inquiry, material prior art references disclosing combinations of claimed limitations cannot be disregarded based on a drug product’s commercial viability or FDA approval. …

Merck Process for Stabilizing Antibiotic Compound Invalid as Obvious

The District of Delaware found that one of two patents asserted by Merck was not invalid and infringed, and the other patent, while infringed, was invalid as …

Inherency Rejections: Combating Inherent Obviousness

An inherency rejection, whether it be inherent anticipation or inherent obviousness, can be extremely difficult to overcome. Indeed, at many times it seems there is a great …
By Gene Quinn
2 years ago 2

PTAB Invalidation Affected by Random Errors, Legal Uncertainties and Judicial Bias

The PTAB invalidation procedure violates due process because it drags patent owners into endless assaults by patent infringers and patent thieves. Due process requires compliance with standard …
By Jianqing Wu, Ph.D.
2 years ago 14

Federal Circuit Upholds the Board’s Invalidation of Southwire Patent

The Court found that the Board did not provide an adequate explanation for finding that the “30%” limitation was inherent in the reference, as a predicate for its …