Posts Tagged: indefiniteness


CAFC Denies Enhanced Damages and Lost Profits, Competitor Proves Intervening Rights

In determining indefiniteness of a claim based on a testing method referenced in the patent, courts will evaluate whether the method is well known in the art …

Federal Circuit Clarifies Standard for Indefiniteness of Mixed Subject Matter Claims

Because it is clear when infringement occurs, and the scope of the claims is reasonably certain, the Court reversed the judgment of invalidity due to indefiniteness... Claims …

Judge Paul Michel presents supplemental testimony on PTAB reforms to the House IP subcommittee

To fix the current incarnation of the U.S. patent system and reinvigorate the American economy, Judge Michel called upon the House IP subcommittee to adopt seven …
By Steve Brachmann
3 months ago 19

USPTO files brief at CAFC supporting patent-infringing respondent Telebrands

Tinnus argues in its appeal that the PTAB panel applied standards for inter partes review (IPR) proceedings to a trial that was instituted as a PGR. “In …
By Steve Brachmann
3 months ago 5

USPTO, PTAB refuse to follow Supreme Court Nautilus decision

The PTAB is openly refusing to follow the Supreme Court’s decision in Nautilus, Inc. v. Biosig Instruments, Inc., it has found a term previously determined definite …
By Gene Quinn
3 months ago 80

Mentor Graphics v. Synopsys: Affirmed-in-Part, Reversed-in-Part, Vacated-in-Part, and Remanded

Various Synopsys parties and EVE-USA, Inc. (collectively “Synopsys”) sued Mentor Graphics, seeking a declaration that Mentor’s ’376, ’531, and ’176 patents were invalid and not infringed. Mentor counterclaimed for …

The Federal Circuit Affirms District Court’s Grant of Preliminary Injunction

Practitioners dealing with a magistrate judge’s report and recommendation should be sure to preserve objections for appeal, since failing to object may lead to a more …

CAFC Reverses on Indefiniteness Because Claim Terms Sufficiently Supported by Examples

The Court was careful to explain that its “holding in this case does not mean that the existence of examples in the written description will always render …

Federal Circuit Affirms in Part and Reverses in Part “Means Plus Function” Indefiniteness

In an indefiniteness analysis, particularly for a “means plus function” claim, the patent must particularly disclose the corresponding structure for performing the claimed function. It is not …

Proper §112 Indefiniteness Analysis is Directed to the Claims Themselves, Not the Terms

The Federal Circuit Court found that the source of the purported indefiniteness (“processing system”) played no role in defining the claims. Since the asserted claims are method …

CAFC: Software means plus function claims Indefinite for failure to disclose algorithm

The Court also affirmed that the this means-plus-function term was indefinite. In the case of computer-implemented functions, the specification must disclose an algorithm for performing the claimed …

Federal Circuit affirms district court’s summary judgment of non-infringement

Akzo appealed from the decision of the district court (Chief Judge Leonard Stark) to grant summary judgment to Dow, which found that Dow did not infringe the …
By Gene Quinn
2 years ago 2

Court Reverses Indefiniteness Under Nautilus; Design Patents for Surgical Shears are Valid

Ethicon sued Covidien in the Ohio district court for infringement of utility and design patents directed to ultrasonic surgical shear devices. The court granted Covidien’s motions …

A Software Patent History: The Algorithm Cases

These cases are very important though because they give us the best glimpse yet into understanding the disclosure requirements for software patents that utilize means-plus-function claim language. …
By Gene Quinn
3 years ago 13

The Disclosure Revolution – A Report from the Front, 2014

The Disclosure Revolution is an ongoing process that has transformed patent law over the last couple of decades. While courts continue to say, “The claims define the …
By Joseph Root
3 years ago 1