Case study #1
A patentee asserted three patents, and 21 claims against Mr. de la Cerra’s client in federal district court. Mr. de la Cerra located extremely pertinent prior art and prepared a first round of reexamination petitions. The Patent Office ordered reexamination and Mr. de la Cerra successfully persuaded the federal court to stop the litigation pending a final decision on the reexamination request. The Patent Office invalidated all the originally asserted claims. On two of the originally asserted patents, the patentee amended the patent claims and the newly amended claims were then confirmed. The remaining patent was found to be completely invalid and the patentee could not amend the claims to overcome the cited references. At this point, Mr. de la Cerra had effectively cut off any damages occurring from 2001 to 2010 because under federal patent law, if a patent claim is amended during reexamination then it is only enforceable from the date the amended claim emerges from the reexamination. Mr. de la Cerra then prepared another round of reexamination requests. The Patent Office again ordered reexamination and invalidated another four claims from the remaining two patents that had been originally asserted. This again reduced the risk to the client by further eliminating worthless patent claims. Finally, Mr. de la Cerra prepared a final round of requests, and the Patent Office agreed to reexamine the only remaining patent claims of the pending lawsuit.

