Expert Witness

Deborah has served as a consultant for numerous patent litigation cases, most of which are not public. She has testified in court, been deposed in legal offices, helped with due diligence, Markman hearing preparation, expert report preparation, deposition preparation and execution, and trial preparation and execution.  Recently, she has also helped prepare requests for post issuance review.   She has worked on validity and infringement cases and has represented claimants and defendants.

Deborah served as an expert testifying witness in the Versata (Trilogy) vs. Sun Microsystems Civil Action No 2:06-CV-358-TJW case.  She worked for Sun through the Skadden, Arps, Slate, Meagher & Flom legal firm.  She authored an 800 page expert witness report, which succeeded in eliminating numerous claims from the suit, including one entire patent.  She was deposed in this case and then further served as a testifying invalidity witness.  Versata sought more than 100 million in damages and Deborah helped the Sun side win the case, which was decided on April 27, 2009.

Contact McGuiness Associates at to use Deborah’s expertise your litigation.