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ARTICLE · 15 JULY 2019

Spotlight On Upcoming Oral Arguments – July 2019

Finnegan, Henderson, Farabow, Garrett & Dunner LLP
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Later, at the district court, CGI advocated for a broader claim construction, which the district court adopted.

United StatesIntellectual Property
Finnegan, Henderson, Farabow, Garrett & Dunner, LLP
Finnegan, Henderson, Farabow, Garrett & Dunner, LLP
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The Chamberlain Group, Inc. v. Techtronic Industries Co. Ltd., No. 18-2103, Courtroom 201

Techtronic Industries ("TTI") appeals a jury verdict finding that the Chamberlain Group's patents covering wirelessly transmitting information by garage door openers are valid and infringed by TTI.  CGI obtained a preliminary injection against TTI based on a claim construction that the Federal Circuit later reversed.  TTI then petitioned for institution of an IPR.  In arguing against institution, CGI argued for a broad claim construction, which the PTAB adopted.  Later, at the district court, CGI advocated for a broader claim construction, which the district court adopted.  The Court has been asked to consider whether CGI should have been estopped from arguing for a broader claim construction in the district court after advancing a narrower construction in its argument against institution of the IPR.

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