Written Description Inapplicable to Doctrine of Equivalents

The written description requirement does not extend to equivalents asserted under the doctrine of equivalents, according to a recent order in the District of Delaware. The district judge in Sprint v. Cox resolved dueling summary… Read More

Federal Circuit: No “Teaching Away” Without Discouragement

The University of Maryland Biotechnology Institute (“Maryland”), owner of U.S. Patent No. 6,673,532 B2 (“the ‘532 patent”), recently lost the ‘532 patent when the United States Court of Appeals for the Federal Circ… Read More

Differing Claim Terms Construed with Same Definition

Can a court construe two different terms in two different claims the same way? If the specification uses those phrases in the same way, then yes. In Pavo Solutions, LLC v. Kingston Technology Company, Inc., Nos. 2016-2209, 2016-23… Read More

CAFC Affirms PTAB Claim Construction of “Connected”

In Ignite USA, LLC. V. Camelback Products, LLC., No. 2016-2747 (Fed. Cir. Oct. 12, 2017), the Federal Circuit upheld the PTAB’s inter parte review claim construction that the claim term “connected” does not require a permane… Read More

PTAB: Filled May Be Indefinite, Unfilled Is Adequately Described

Tinnus Enterprises, LLC (“Tinnus”), owner of U.S. Patent No. 9,527,612 B2 (“the ‘612 patent”) recently suffered a setback when the U.S. Patent Trial and Appeal Board ordered institution of a post-grant review of the… Read More

Patent Claim Preamble Not Limiting, Infringement Not Derailed

Here is a case illustrating the general rule that the preamble of a patent claim is rarely construed as a substantive claim limitation. In Georgetown Rail Equipment Co. v. Holland L.P.¸ No. 2016-2297 (Fed. Cir. Aug. 1, 2017), the… Read More

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 affirms PTAB finding of invalidity of patent claims predicted on a construction… Read More

Upcoming Webinar

We are delighted to kick off the first B2 IP Webinar of 2019 with David Hannon, Of Counsel at Bejin Bieneman, who will provide an outline of issues for decision by a US brand owner in its pursuit of trademark protection in China. Mr. Hannon will dis…Register

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