• Served as plaintiff's technical expert witness in z4 Technologies Inc. vs. Microsoft Corp. and Autodesk Inc., patent dispute, Eastern District of Texas, Tyler Division, Case No. 6:06-CV-142, 2006.  Testified at deposition and trial. Plaintiff won verdict of willfull infringement with enhanced damages, upheld on appeal.
• Served as technical expert in ex parte reexamination of U.S. Patent 5,490,216 before the USPTO on behalf of patent owner; filed 132 declaration. Result was reinstatement of all claims.
• For counsel to a major software company, served as an expert consultant on digital rights management (DRM) technology in a patent dispute (defense side).
• For counsel to three "brand name" video content providers, served as technical expert in patent litigation (defense side); created and served three expert reports.
• For counsel to a small technology company, served as an expert consultant on software antipiracy technology in a patent dispute (plaintiff side).  Undertook intensive source code discovery.
• For outside counsel to a consumer electronics company, served as expert consultant on DRM technology in a patent dispute (defense side).
• For outside counsel to a major music company, served as expert consultant in a dispute concerning digital music royalties; created and served expert report.
• For counsel to major film studios, served as an expert consultant on streaming video, content management, and content security in a dispute concerning misappropriation of confidential information (defense side); created expert report.
• For a major software company, served as an expert consultant on DRM in an antitrust dispute before the European Commission.
• For a large law firm, investigated licensing opportunities for a portfolio of patents on IT security technology.
• For counsel to an online music company, served as an expert consultant on DRM technology in a patent dispute (defense side).
• Served as Special Advisor to the European Commission, Media and Information Society Directorate, in connection with its initiative on Creative Content Online in Europe's Single Market.
• For a technology industry trade association, provided input to a public policy initiative related to copyright issues in the European Union.

• Testified at Federal Trade Commission hearing on consumer disclosure of DRM.

• Testified at the National Academies Workshop on The Impact of Copyright Policy on Innovation in the Digital Era.

• Provided input to the Section 108 Study Group, convened by the U.S. Library of Congress, on DRM and how it could be implemented by libraries for exceptions in Section 108 of the Copyright Act.

• Provided input to the U.S. Copyright Office in connection with its triennial rulemaking on the anti-circumvention provision of the Digital Millennium Copyright Act.
• Other matters still in progress; please inquire.

Investment Support:

• For leading venture capital firms, investigated startup companies and delivered investment recommendations.
• Consulted to analysts at hedge funds, private equity firms, and other investment firms on strategic issues concerning publicly traded companies in the digital media market.