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ARTICLE · 11 JUNE 2024

D. Mass. Patent Litigation Update: April 2024

Finnegan, Henderson, Farabow, Garrett & Dunner LLP
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In Ocean Semiconductor LLC v. Analog Devices, Inc., No. 1:20-cv-12310, Judge Saris issued an order construing two disputed claim terms of Ocean's asserted patent...

United StatesIntellectual Property
Matthew C. Berntsen
Matthew C. Berntsen
Michael Kudravetz
Michael Kudravetz
Cory C. Bell
Cory C. Bell
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This is part of a series of articles discussing recent orders of interest issued in patent cases by the United States District Court for the District of Massachusetts.

In Ocean Semiconductor LLC v. Analog Devices, Inc., No. 1:20-cv-12310, Judge Saris issued an order construing two disputed claim terms of Ocean's asserted patent, titled “Method and Apparatus for Filtering Metrology Data Based on Collection Purpose.” The Court agreed with Defendant ADI regarding one term and with Plaintiff Ocean regarding the other.

In construing the first disputed claim term, “collection purpose data,” the Court adopted ADI's proposed construction of “data indicating the initial purpose for collecting the metrology data,” over Ocean's proposal that no construction was necessary. The Court pointed to numerous uses of ADI's proposed construction in the specification, finding that the patentee acted as its own lexicographer in providing a specific definition for the claim term. The

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