Patent litigation attorney
Marc S. Blackman
2 tracked appearances — 0 plaintiff · 2 defendant.
Specialty & background
To: Interested Parties
From: Senior Patent Litigation Analyst
Date: 2026-05-13
Re: Professional Summary of Marc S. Blackman
Marc S. Blackman is an intellectual property attorney at Jones Day with over 25 years of experience in high-stakes patent infringement litigation. His practice covers a wide array of technologies, including computer hardware and software, semiconductors, wireless communications, mobile devices, digital cameras, and various consumer electronics. Based on tracked cases and public records, Mr. Blackman primarily represents technology companies on the defense side, a focus consistent with his record of 2 defendant-side appearances and 0 for plaintiffs in the cases provided.
Mr. Blackman's entire tracked career has been at Jones Day, where he represents clients in U.S. district courts, the International Trade Commission (ITC), and before the USPTO's Patent Trial and Appeal Board (PTAB). A notable recent outcome includes his work as trial counsel for Tineco in a multi-patent ITC investigation brought by Bissell concerning wet-dry floor cleaners. After a full hearing, the ITC found Tineco's current products did not infringe, and the decision was affirmed in its entirety by the Court of Appeals for the Federal Circuit on May 11, 2026.
In addition to his district court and ITC trial work, Mr. Blackman has significant experience in post-grant proceedings before the PTAB. He is a contributor to Jones Day's PTAB Litigation Blog and has successfully used inter partes review (IPR) proceedings on behalf of clients. For example, representing Nikon, he successfully challenged two patents in IPRs where the PTAB found all 116 challenged claims unpatentable.
Firms
Roles
- trial counsel1
- lead counsel1
Cases (2)
- Δ defendantBissell Inc. v. Multiple partiesJones Day · lead counsel
- Δ defendantBissell Inc. v. Tineco Intelligent Technology Co., Ltd.Jones Day · trial counsel