Attorney Profiles
Patent Attorney and Registered Foreign Law Lawyer (New York)
Mami Hino

Mami Hino has experience in representing the world’s leading technology companies for many years in disputes, litigation and transactions.  Mami’s practice emphasizes invalidity trials and resultant IP High Court appeals, cross-border infringement litigation, strategic patent prosecution, client counseling, and opinions. She collaborates with a variety of clients from heavy machinery companies to consumer product companies, including chemical companies and pharmaceutical companies.


Due to her background as a registered pharmacist, Mami has extensive experience representing innovator pharmaceutical companies to protect their patents, such as filing patent term extension applications, defending their patents in invalidity trials and IP High Court appeals, filing preliminary injunction requests and/or patent infringement suits against generic drug companies.


Mami studied law at a U.S. law school (J.D.) and practiced as an attorney at a New York law firm that specializes in intellectual property. She can provide foreign clients with Japanese IP advice by utilizing her understanding of the differences between foreign IP practice and Japanese IP practice.


・Japan, Intellectual Property: Domestic (Band 1) for 10 consecutive years – Chambers Global (2012-2021)


・Japan, Intellectual Property: Domestic (Band 1) for 9 consecutive years – Chambers Asia-Pacific (2012-2020)


・Patent Star, Japan for 8 consecutive years – IP Stars, Managing Intellectual Property (2014-2021)


・The World’s Leading Patent Professionals, Japan: Domestic for 10 consecutive years – IAM Patent 1000 (2012-2021)


・One of the leading patent attorneys in Japan for 7 consecutive years – Who’s Who Legal (2014-2020)


・Influential Women in IP – World Intellectual Property Review (2019-2020)


The Top 250 Women in IP – IP Stars, Managing Intellectual Property (2021)


・Asia-Pacific’s Top 100 Women in Litigation – Benchmark Litigation (2021)


・Top Female Legal Practitioner in Life Sciences – Women in Business Law Expert Guide (2021) 


Seton Hall University School of Law, USA 1999, J.D.

Kyoto University, Japan 1984, Bachelor of Pharmacy

Professional Admission

New York

Patent Attorney (admitted to practice intellectual property infringement litigation) in Japan

Foreign legal consultant in Japan

Pharmacist in Japan

Professional Experience

Abe Ikubo & Katayama (Counsel, 2004-2006; Partner, 2006-Present)

Baker & McKenzie, Tokyo (Associate, 2002-2004)

Pennie & Edmonds (Law Clerk, 1998-2000; Associate, 2000-2002)

Asahina Co., (Technical Advisor, 1990-1994; Associate, 1994-1996)

Fujisawa Pharmaceutical Company (Research Pharmacist 1984-1987)


Member of Intellectual Property Experts Committee at Japan Agency for Medical Research and Development (2015-Present)

Member of Intellectual Property Utilization Support Project Review Committee at Japan Science and Technology Agency (2010-2014)


・AIPPI Japan
・Intellectual Property Owners Association
・Tokyo IP American Inn of Court

Publications and Articles

“Patent Term Extension in Japan -Recent IP High Court Grand Panel Decision-” (A.I.P.P.I. September 2014)

“Intellectual Property in Electronics and Software” (Globe Business Publishing 2013)

“Intellectual Property in the Life Sciences” (Globe Business Publishing 2011)

“Japanese Patent Litigation” 2nd Ed. (WEST 2010)