CAFC Affirms PTAB Construction of “Connected to a...Network”

Based on a plain and ordinary meaning – and the patentee’s clear statement in distinguishing prior art during prosecution – the Federal Circuit affirmed a Patent Trial and Appeal Board (PTAB) finding of invalidity of patent… Read More

IPR Estoppel Regarding Petitioned, Non-Instituted Claims

A Wisconsin district court held that 35 U.S.C. § 315(e) can estop an accused infringer from challenging a patent claim’s validity when based on a new invalidity theory, even when the PTAB did not institute review of the claim.… Read More

CAFC Vacates PTAB Decision Based on Claim Interpretation of "Aseptic"

The Federal Circuit, in Nestle USA v. Steuben Foods, vacated a decision by the Patent Trial and Appeal Board (PTAB) in an inter partes review (IPR) for an unreasonably broad interpretation of the term “aseptic.” Notably, where… Read More

Broad Estoppel for IPR Petitioner Asserting Prior Art in District Court

Uncertainty over IPR estoppel continues. In Douglas Dynamics, LLC v. Meyer Products LLC, the Western District of Wisconsin recently ruled that grounds of invalidity left out of a petition for inter partes review are estopped and c… Read More

Patent Obviousness and Reasonable Expectation of Success

The Federal Circuit has (mostly) sustained the PTAB’s findings that claims of US Patent No. 7,433,483 are obvious over prior art, explaining that obviousness under 35 USC § 103 required, in essence, a showing that the proposed… Read More

PTAB Rejects Secondary Considerations for Patentability

Even though there was no dispute that a commercially successful product encompassed challenged patent claims, the USPTO’s Patent Trial and Appeal Board held that a patent owner failed to show secondary considerations of non-obvi… Read More

CAFC Explains Obviousness Needs Prior Art Support

A recent Federal Circuit case explains that the Patent Office cannot simply assume, interpolate, or make up reasons why patent claims are obvious, e.g., why prior art references would have been combined.  In In re Schweickert, No… Read More

Secondary Considerations Succeed at the PTAB

In a rare instance of relying on secondary considerations to overcome an allegation of obviousness, the Patent Trial and Appeals Board refused to institute an Inter Partes Review of U.S. Patent No. 8,550,271, directed to a crimp-o… Read More

PTAB Construes Patent Claim Terms as Subject to §112 ¶6 in IPR

The USPTO’s PTAB held that the term “drive module” was a means-plus-function limitation subject to 35 U.S.C. § 112, sixth paragraph (now 112(f))  in its decision to institute an Inter Partes Review (IPR) in Apple Inc.,… Read More

Judge Robinson Revisits IPR Estoppel, Seeking Federal Circuit Clarification

A district court recently reaffirmed its ruling that statutory estoppel does not apply to grounds of invalidity that could have been included in a petition for an inter partes review but weren’t, clearing the way for the defenda… Read More

Upcoming Webinar

The August webinar will feature a special guest, Stephen Dargitz, of Manion, Gaynor and Manning.  Stephen is a trial lawyer based in Wilmington Delaware, who with Thomas Bejin will discuss the impact of TC Heartland v. Kraft Foods along with partic…Register

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