Tag Archive for claim construction

The Federal Circuit Goes Through The Looking Glass

The process of claim construction—interpreting the meaning of the words used in a patent claim—can be confusing at the best of times.  At its worst, as in the Federal Circuit’s Dupont v. Unifrax decision this week, it most closely resembles an exchange from Lewis Carroll’s “Through the Looking Glass.”

ContentGuard: Defining A Patent Case

Yesterday, I went through the history of the ContentGuard v. Apple and ContentGuard v. Google cases.  I talked briefly about the Markman process; today, I’d like to go into more detail on what Markman is, how it works, how Markman affected the ContentGuard cases, and why it’s such an important issue in patent litigation in…