Trademarks Expert Witnesses: 17

Bruce Weiner has worked in technology, product development, and software engineering since 1988, applying industry-standard design, testing, and post-deployment evaluation methods to determine whether technology products and features achieve their stated objectives.

Through Weiner.net LLC, he has been retained in 30+ matters since 2011 across U.S. District Courts, PTAB, state courts, arbitration, and administrative proceedings — retained by both plaintiff and defense counsel. 10+ depositions, with live testimony experience. Expert declarations cited by name in Federal Circuit opinion, 986 F.3d 1367.

Representative matters span gig-economy platform governance, airline and loyalty-program technology, e-commerce and affiliate systems, banking software, AI governance and AI-weighted model evaluation, source code / technical analysis, SDLC/PDLC governance, and billing substantiation. Opinions are anchored to ISO/IEC 12207, ISO/IEC 25010, IEEE 730, ISO/IEC 42001, and the NIST AI Risk Management Framework.

Beyond litigation, he is an at-the-table technical advisor in labor negotiations, including CBA development under NMB mediation.

Since 2012, progressive technology leadership roles at a large financial services institution, most recently Vice President and Chief Product Owner. Princeton BSE, Magna Cum Laude. ACM and IEEE member. Named inventor, U.S. Patent 7,203,734. A-CSPO, CAL 1. Federal Top Secret Security Clearance — DCSA Tier 5 (Active).

Jack Holowczak is a Luxury Goods Authentication and Valuation Expert and USPAP-compliant Personal Property Appraiser. As Founding Director of PROVENANCE, he has examined 2,000,000+ items across 50+ luxury houses since 2016 — Hermès, Chanel, Louis Vuitton, Goyard, Chrome Hearts — with documented counterfeit and superfake detection protocols.

He serves counsel in counterfeit, trademark, insurance, estate, customs, and criminal matters in all U.S. and Canadian jurisdictions. Fees never contingent.