Patent Case Watch

Patent opinions from the Eastern District of Texas and the U.S. Court of Appeals for the Federal Circuit

Fed. Cir.

SiOnyx LLC v. Hamamatsu Photonics K.K., No. 19-2359 (Fed. Cir. Dec. 7, 2020)

Affirmed in Part
Inventorship License / Exhaustion Willfulness Infringement
Court
U.S. Court of Appeals for the Federal Circuit
Case No.
No. 19-2359
Also Docketed
No. 20-1217 (consolidated; same document)
Decided
December 7, 2020
Judge
Lourie, J.
Document
Precedential Opinion
Length
26 pages

From the Opinion

The passage below is extracted verbatim from the opening of the document. It has not been editorially summarized — consult the full opinion for the court's complete reasoning.

Hamamatsu Photonics K.K. and Hamamatsu Corpora- tion (“Hamamatsu”) appeal from the judgment of the U.S. District Court for the District of Massachusetts after a jury verdict that (1) Hamamatsu breached its Non- Disclosure Agreement (“NDA”) with SiOnyx LLC (“SiOnyx”); (2) Ha- mamatsu willfully infringed U.S.

Download Opinion (PDF)

Source: govinfo.gov USCOURTS collection · retrieved July 23, 2026 · Report an error