Specification Provides Insufficient Structure for MPF Claim

Granting summary judgement to a defendant accused of patent infringement, a court held two patent claims including the term “control unit” indefinite, finding the description in the specification of a “tone control circuit… Read More

Using Claim Construction to Import Limitations

In Continental Circuits LLC v. Intel Corp. No. 2018-1076 (Fed. Cir. Feb. 8, 2019) the Federal Circuit determined the district court erred in its claim construction and explained the high bar that must be met to import limitations… Read More

Plain and Ordinary Claim Construction

In Wisconsin Alumni Research Foundation v. Apple, No. 2017-2265 (Fed. Cir. Sept. 20, 2018), the Federal Circuit construed a pair of claim terms under their plain and ordinary meaning in reversing summary judgment that Apple was n… Read More

The Federal Circuit on Claim Construction and Indefiniteness

In the recent case Intellectual Ventures I LLC v. T-Mobile USA, Inc., the Federal Circuit overturned a district court’s claim construction for reading in a limitation and upheld the district court’s invalidation for indefinite… Read More

When is Patent Prior Art Distinct but Not Different?

Where distinct physical concepts recited in a patent claim and applied prior art are related and can achieve same results, do not count on being able to distinguish teachings of the prior art.  In Mobileye Vision Technologies Ltd… Read More

Plain and Ordinary Meaning Requires More Than a Mere Capability

The Eastern District of Texas has granted-in-part Defendant HTC’s motion to strike expert testimony based on application of improper legal principles, to wit, the expert had improperly extended the plain and ordinary meaning of… Read More

Prosecution History Crucial for Claim Interpretation of “Remote”

The Federal Circuit has again highlighted the importance of prosecution history for patent claim interpretation. In Baker v. Microsoft Corp., No. 2017-2357 (Fed. Cir. Apr. 9, 2018) the Federal Circuit upheld a district court claim… Read More

Broadest Reasonable Interpretation Has Limits

The United States Court of Appeals for the Federal Circuit (“the Federal Circuit”) recently put the United States Patent Trial and Appeal Board (“the Board”) on notice that the broadest reasonable interpretation of claims… Read More

“Substantially” in a Patent Claim is Substantially OK

U.S. Patent No. 5,987,863 (“the ‘863 patent”), owned by the Exmark Manufacturing Company (“Exmark”), recently survived a challenge to its claim 1 as indefinite under 35 U.S.C. §112, ¶2 for inclusion of the phrase … Read More

Broad Claim Term Dooms Patent at PTAB

Last month, the Patent Trial and Appeal Board issued a final written decision in Bright House Networks v. Focal IP (IPR2016-01263), finding the telecommunications patent in question obvious based on a broad claim construction of … Read More

Upcoming Webinar

Christoper Francis and Charles Bieneman will conduct a two-part webinar to discuss best practices for preparing, and then prosecuting, patent applications at the USPTO. The presentation will dive underneath the basic legal requirements to provide ade…Register

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