Texas Advanced Optoelectronic Solutions, Inc. v. Renesas Electronics America, Inc.

TAOS and Intersil were both developing ambient light sensors for electronic devices. Ambient light sensors use a silicon- or other semiconductor-based photodiode that absorbs light and conducts a current. The resulting photocurrent is detected by a sensor, and measurements of the current, a function of the ambient light, are used to adjust the brightness of an electronic screen display. One benefit is better visibility; another is improved battery efficiency. In 2004, the parties confidentially shared technical and financial information during negotiations regarding a possible merger that did not occur. Soon after, Intersil released new sensors with the technical design TAOS had disclosed in the confidential negotiations. TAOS sued for infringement of its patent, and for trade secret misappropriation, breach of contract, and tortious interference with prospective business relations under Texas state law. A jury returned a verdict for TAOS and awarded damages on all four claims. The Federal Circuit affirmed liability for trade secret misappropriation, though on a more limited basis than TAOS presented to the jury, and affirmed liability for infringement of the asserted apparatus claims of the patent, but vacated the monetary awards. The court noted that there was no evidence of Intersil’s independent design of the photodiode array structure. View "Texas Advanced Optoelectronic Solutions, Inc. v. Renesas Electronics America, Inc." on Justia Law