Trademarks Expert Witnesses: 17

Bruce Weiner is an expert in technology, product development, and software engineering with 37 years of experience 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 25 matters since 2011 across U.S. District Courts, PTAB, state courts, AAA and NAA arbitrations, and an NYC administrative proceeding. Nine depositions. Three trial and hearing appearances — plaintiff & defendant. Three trials are scheduled in 2026/2027 in federal and state courts. Expert declarations cited by name in Federal Circuit opinion, 986 F.3d 1367. Retained by both plaintiff and defense counsel.

Representative matters span gig-economy platform governance, airline and loyalty-program technology, e-commerce and affiliate systems, banking software, AI-weighted model evaluation, SDLC/PDLC governance, and billing substantiation. Opinions anchored to ISO/IEC 12207, ISO 31000, ISO/IEC 25010, IEEE 730, and ISO/IEC 42001.

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. Federal Top Secret Security Clearance — DCSA Tier 5 Investigation (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.