Posts Tagged: obviousness


The PTAB Continues to Break Patent Promises to the Detriment of Inventors

Surviving inventors are incredibly rare. I have met dozens of inventors with incredible discoveries whose naïve belief in the patent system have cost them way more …

Claimed and prior art ranges must have meaningful difference for nonobviousness

Patent claims can recite a numerical range and a patent can be awarded based on the novelty and nonobviousness of the claimed range. Normally, compositions are claimed …
By James Yang
1 month ago 3

Conclusory approach to obviousness by PTAB in IPR insufficient to render claims invalid

The Federal Circuit found that the Board failed to provide sufficient explanation for its obviousness finding, instead using a conclusory approach that asked whether the missing limitation …

Federal Circuit Affirmed Obviousness of ‘435 Patent Claims

The broadest reasonable construction of “sterilant concentration levels” encompassed both the “gas laden” (or “in air”) sterilant levels and the residual sterilant levels. Nothing in the specification …

Reasonable Expectation of Success to the Rescue

In the last several months, lack of a reasonable expectation of success was a major factor in the reversal of two obviousness rulings by the Federal Circuit. …

Prosecution Disclaimer 101: Argument relied upon by examiner results in prosecution disclaimer

The PTAB found the claims in question obvious for two reasons. First, in its primary ruling the PTAB held that there was no prosecution disclaimer, finding the "…
By Gene Quinn
3 months ago 2

Patenting Antibodies: Obviousness Considerations

This article analyzes obviousness issues related to antibody patents at the Patent Trials and Appeal Board (PTAB) and in federal courts. We review several cases categorized by …

Federal Circuit vacates PTAB decision for failure to explain reason claims were invalid

Unlike the Board’s anticipation determinations, which contravened the only permissible findings that could be drawn from the prior art under the proper constructions of the relevant …

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 …

SSH Communications Enters Cross-License Agreement with Sony After Losing Patents at PTAB

On Monday, February 5th, Finnish enterprise cybersecurity solutions firm SSH Communications Security announced that it had entered into a patent cross-license and settlement agreement with Japanese electronics …
By Steve Brachmann
3 months ago 4

CAFC says PTO Reexamination Should Not Preclude Validity Challenges at District Court

Along with the willfulness finding, the Federal Circuit also overturned findings of no invalidity on a patent that had already survived multiple reexaminations at the U.S. …
By Steve Brachmann
4 months ago 10

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
4 months ago 0

Analyzing obviousness and anticipation challenges to claims directed to an isolated component of a prior art mixture

Based on the governing Federal Circuit case law, where the patent claim at issue is directed to a specific component (such as a specific enantiomer) of a …
By Theodore Chiacchio
5 months ago 1

Patent Marking Burden of Production on Alleged Infringer, Burden of Persuasion on Patentee

In Arctic Cat Inc. v. Bombardier Rec. Prods., after unsuccessfully defending a patent infringement lawsuit, Bombardier Recreational Products, Inc. (“BRP”) appealed the district court’s denial of …

FatPipe heralds mixed claim finding at PTAB which leaves “signature claim” intact

On November 1st, a panel of administrative patent judges (APJs) at the Patent Trial and Appeal Board (PTAB) issued a final written decision which found that 11 claims …
By Steve Brachmann
6 months ago 4