Yasuo Kamatani, et al v. Benq Inc, No. 2:03-cv-00437 (E.D. Tex. Aug. 5, 2005)

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.

1. Introduction. In this patent infringement case, the plaintiffs, Yasuo Kamatani and Laserdynamics, Inc., sued the de fendants, BenQ Corporation and B enQ of America Corporation for infr ingement of United States Patent No 5, 587,981. The patent-in-suit claims methods for discriminating between1 different types of optical disks inserted into an optical disk drive by reading total of contents data or processing an optical signal. Various discovery motions have been filed and heard in this case.