Jeffrey Hsi's practice is devoted to all aspects of commercialization of technology. As a scientist/inventor, entrepreneur and counselor, Jeffrey has experience from all of these perspectives. His practice includes corporate counseling, formation and execution of intellectual property strategy, and patent prosecution and opinion work in the areas of chemistry, pharmaceuticals, biotechnology, health & beauty, agriculture, animal health, nutraceuticals, polymers, diagnostics, and medical devices. He also advises on issues of, and is experienced in establishing infrastructure for, development of intellectual property. Jeffrey's clients include multinational chemical and pharmaceutical companies, emerging biopharmaceutical companies, venture capital and financial institutions, and academic and governmental research institutions throughout the world.

Jeffrey is an invited speaker internationally on various intellectual property issues and has lectured at the Harvard Extension School and at MIT Sloan School of Management. He is a co-inventor on two U.S. Patents and co-author of numerous scientific publications and presentations.

Jeffrey has previously served as Corporate Counsel at Amgen Inc. and as Patent Counsel and General Counsel at Kinetix Pharmaceuticals, Inc. (now Amgen Inc.). Before attending law school, he served as a Senior Scientist, Medicinal Chemistry at The R.W. Johnson Pharmaceutical Research Institute (Johnson & Johnson), as a Research Assistant Professor at the University of South Carolina, and as an Undergraduate Research Scientist at the Upjohn Company.

  • Jeffrey has considerable experience in patent prosecution matters. He has prepared and prosecuted patent applications relating to pharmaceuticals (both approved and candidates in clinical trials), drug design/discovery technologies, nutraceuticals, medical diagnostics and biotechnology. Jeffrey also is experienced in specialty chemical and polymer technologies, medical devices, food and agricultural technologies and business methods. 
  • Jeffrey also has experience in transactional matters including negotiation and establishment of licensing and R&D collaboration agreements, manufacturing and supply agreements, due diligence studies, venture capital funding, merger and acquisition, and technology acquisitions. 
  • As in-house counsel to a biopharmaceutical start-up company, Jeffrey established and guided the company's patent law department, including formation of worldwide corporate intellectual property strategy and internal intellectual property policies. Jeffrey also advised on aspects of corporate and business development activities. The start-up was ultimately acquired by a major U.S. biotechnology company.

Jeffrey currently serves on the Board of Directors of Asian Americans Advancing Justice – AAJC (Asian American Justice Center) in Washington, D.C. where he serves on the Executive Committee and chairs the Policy and Programs Committee, and serves on the Board of Directors of the Asian Community Development Corporation (ACDC) in Boston, MA. Jeffrey also regularly participates as a volunteer in the Asian American Election Protection Project of the Asian American Legal Defense and Education Fund (AALDEF). 

Jeffrey is Past President of the Asian American Lawyers Association of Massachusetts (AALAM) and served on their Executive Board for seven years, and he previously served on the National Asian Pacific American Bar Association (NAPABA) Board of Governors. He was also Co-Chair of the NAPABA 2009 National Convention Host Steering Committee in Boston and served on the NAPABA Committee on Regional Conferences. 

Jeffrey currently serves on the Rutgers Law School Deans’ Advisory Council, and he previously served as a member of the Rutgers Law School Minority Student Program (MSP) 50th Anniversary Alumni Committee, as a member of the Rutgers Law School MSP Legacy Alumni Campaign Committee, and as a member of the Board of Trustees of Kalamazoo College, where he served on the Audit Committee and the Finance Committee.

Jeffrey served as a member of the Executive Committee of the Leukemia & Lymphoma Society’s “Light the Night – Boston”. Jeffrey is an avid tennis player and volunteered with the Massachusetts Special Olympics State Games (tennis), having previously served on its Tennis Management Team.

Jeffrey has been listed repeatedly in "Intellectual Asset Management (IAM) Patent 1000 - The World's Leading Patent Practitioners" and in Thomson Reuters' "Super Lawyers" in Massachusetts for intellectual property.

Jeffrey was a 2018 Honoree of the Rutgers Law School Asian Pacific American Law Students Association (APALSA), was a featured alumnus in the 2018 video “MSP50 – Our History and Our Path Forward” and “MSP50 Reflections” Program as part of Rutgers Law School’s 2018 MSP50 Celebration to commemorate the 50th anniversary of the Rutgers Law School Minority Student Program (MSP) (The Council for Advancement and Support of Education (CASE) awarded the MSP50 Celebration its highest honor—the Circle of Excellence Grand Gold Award), was a 2017 Honoree and keynote speaker at the Rutgers Law MSP Banquet, and was the recipient of the 2017 Community Service Award from the Asian American Lawyers Association of Massachusetts (AALAM).

  • “Understanding Intellectual Property Ownership and Use in R&D Collaborations ”, UF College of Pharmacy/ UF Innovate Tech Licensing, University of Florida, Gainesville, FL, May 13, 2019
  • Keynote speaker, Rutgers Law School Minority Student Program 2017 Banquet, April 6, 2017
  • "Off the Radar Financing and Partnership Issues for Startups", Innovation Hub at the University of Florida, Gainesville, FL, October 13, 2016
  • Moving on Up: Reaching the Highest Levels of Leadership in Large Law Firms, National Asian Pacific American Bar Association, National Convention, New Orleans, LA November 7, 2015
  • Partners and GC’s in the Spotlight – Leadings Attorneys Answer the Questions That You Always Wanted to Ask, National Asian Pacific American Bar Association, Northeast Regional Conference, Boston, MA October 3, 2015
  • Making Partner at Large and Mid-Size Law Firms, Asian American Lawyers Association of Massachusetts Meeting, Boston, MA March 27, 2014 
  • Moderator, "BIOPitch" 2013 BioFlorida Conference, September 17, 2013, Tampa, Fla. 
  • Moderator, "70th Anniversary of the Japanese American/Canadian Internment - Redress, Remember, Relate," National Asian Pacific American Bar Association National Convention, November 15-18, 2012, Washington, D.C.

Recent News & Events

July 3, 2019

IAM Patent 1000 Recognizes Wolf Greenfield Attorneys in All Practice Groups

October 24, 2018

Wolf Greenfield Attorneys Named to 2018 Super Lawyers, Rising Stars Lists

August 7, 2018

Wolf Greenfield Recognized as Top IP Law Firm with High Rankings for Patent Prosecution, Litigation and Transactions

June 15, 2018

IAM Patent 1000 Ranks 10 Wolf Greenfield Attorneys, More Than Any Other Firm in Boston

March 29, 2018

Wolf Greenfield Shareholder Jeffrey Hsi Honored by Rutgers Law Association

December 5, 2017

Wolf Greenfield Shareholder Jeff Hsi Honored with Community Service Award

November 14, 2017 - November 15, 2017

Wolf Greenfield to Speak at Comparative Patent Practice Conference

October 17, 2017

Wolf Greenfield Attorneys Named to 2017 Super Lawyers, Rising Stars Lists

October 4, 2017 5:30 PM - 8:30 PM ET

Wolf Greenfield and Harrison Goddard Foote Host IP Trends Across the Atlantic

June 6, 2017

2017 Edition of IAM Patent 1000 Recognizes Wolf Greenfield


Expand All

Jeffrey Hsi's practice is devoted to all aspects of commercialization of technology. As a scientist/inventor, entrepreneur and counselor, Jeffrey has experience from all of these perspectives. His practice includes corporate counseling, formation and execution of intellectual property strategy, and patent prosecution and opinion work in the areas of chemistry, pharmaceuticals, biotechnology, health & beauty, agriculture, animal health, nutraceuticals, polymers, diagnostics, and medical devices. He also advises on issues of, and is experienced in establishing infrastructure for, development of intellectual property. Jeffrey's clients include multinational chemical and pharmaceutical companies, emerging biopharmaceutical companies, venture capital and financial institutions, and academic and governmental research institutions throughout the world.

Jeffrey is an invited speaker internationally on various intellectual property issues and has lectured at the Harvard Extension School and at MIT Sloan School of Management. He is a co-inventor on two U.S. Patents and co-author of numerous scientific publications and presentations.

Jeffrey has previously served as Corporate Counsel at Amgen Inc. and as Patent Counsel and General Counsel at Kinetix Pharmaceuticals, Inc. (now Amgen Inc.). Before attending law school, he served as a Senior Scientist, Medicinal Chemistry at The R.W. Johnson Pharmaceutical Research Institute (Johnson & Johnson), as a Research Assistant Professor at the University of South Carolina, and as an Undergraduate Research Scientist at the Upjohn Company.

  • Jeffrey has considerable experience in patent prosecution matters. He has prepared and prosecuted patent applications relating to pharmaceuticals (both approved and candidates in clinical trials), drug design/discovery technologies, nutraceuticals, medical diagnostics and biotechnology. Jeffrey also is experienced in specialty chemical and polymer technologies, medical devices, food and agricultural technologies and business methods. 
  • Jeffrey also has experience in transactional matters including negotiation and establishment of licensing and R&D collaboration agreements, manufacturing and supply agreements, due diligence studies, venture capital funding, merger and acquisition, and technology acquisitions. 
  • As in-house counsel to a biopharmaceutical start-up company, Jeffrey established and guided the company's patent law department, including formation of worldwide corporate intellectual property strategy and internal intellectual property policies. Jeffrey also advised on aspects of corporate and business development activities. The start-up was ultimately acquired by a major U.S. biotechnology company.

Jeffrey currently serves on the Board of Directors of Asian Americans Advancing Justice – AAJC (Asian American Justice Center) in Washington, D.C. where he serves on the Executive Committee and chairs the Policy and Programs Committee, and serves on the Board of Directors of the Asian Community Development Corporation (ACDC) in Boston, MA. Jeffrey also regularly participates as a volunteer in the Asian American Election Protection Project of the Asian American Legal Defense and Education Fund (AALDEF). 

Jeffrey is Past President of the Asian American Lawyers Association of Massachusetts (AALAM) and served on their Executive Board for seven years, and he previously served on the National Asian Pacific American Bar Association (NAPABA) Board of Governors. He was also Co-Chair of the NAPABA 2009 National Convention Host Steering Committee in Boston and served on the NAPABA Committee on Regional Conferences. 

Jeffrey currently serves on the Rutgers Law School Deans’ Advisory Council, and he previously served as a member of the Rutgers Law School Minority Student Program (MSP) 50th Anniversary Alumni Committee, as a member of the Rutgers Law School MSP Legacy Alumni Campaign Committee, and as a member of the Board of Trustees of Kalamazoo College, where he served on the Audit Committee and the Finance Committee.

Jeffrey served as a member of the Executive Committee of the Leukemia & Lymphoma Society’s “Light the Night – Boston”. Jeffrey is an avid tennis player and volunteered with the Massachusetts Special Olympics State Games (tennis), having previously served on its Tennis Management Team.

Jeffrey has been listed repeatedly in "Intellectual Asset Management (IAM) Patent 1000 - The World's Leading Patent Practitioners" and in Thomson Reuters' "Super Lawyers" in Massachusetts for intellectual property.

Jeffrey was a 2018 Honoree of the Rutgers Law School Asian Pacific American Law Students Association (APALSA), was a featured alumnus in the 2018 video “MSP50 – Our History and Our Path Forward” and “MSP50 Reflections” Program as part of Rutgers Law School’s 2018 MSP50 Celebration to commemorate the 50th anniversary of the Rutgers Law School Minority Student Program (MSP) (The Council for Advancement and Support of Education (CASE) awarded the MSP50 Celebration its highest honor—the Circle of Excellence Grand Gold Award), was a 2017 Honoree and keynote speaker at the Rutgers Law MSP Banquet, and was the recipient of the 2017 Community Service Award from the Asian American Lawyers Association of Massachusetts (AALAM).


  • “Understanding Intellectual Property Ownership and Use in R&D Collaborations ”, UF College of Pharmacy/ UF Innovate Tech Licensing, University of Florida, Gainesville, FL, May 13, 2019
  • Keynote speaker, Rutgers Law School Minority Student Program 2017 Banquet, April 6, 2017
  • "Off the Radar Financing and Partnership Issues for Startups", Innovation Hub at the University of Florida, Gainesville, FL, October 13, 2016
  • Moving on Up: Reaching the Highest Levels of Leadership in Large Law Firms, National Asian Pacific American Bar Association, National Convention, New Orleans, LA November 7, 2015
  • Partners and GC’s in the Spotlight – Leadings Attorneys Answer the Questions That You Always Wanted to Ask, National Asian Pacific American Bar Association, Northeast Regional Conference, Boston, MA October 3, 2015
  • Making Partner at Large and Mid-Size Law Firms, Asian American Lawyers Association of Massachusetts Meeting, Boston, MA March 27, 2014 
  • Moderator, "BIOPitch" 2013 BioFlorida Conference, September 17, 2013, Tampa, Fla. 
  • Moderator, "70th Anniversary of the Japanese American/Canadian Internment - Redress, Remember, Relate," National Asian Pacific American Bar Association National Convention, November 15-18, 2012, Washington, D.C.

Recent News & Events

July 3, 2019

IAM Patent 1000 Recognizes Wolf Greenfield Attorneys in All Practice Groups

October 24, 2018

Wolf Greenfield Attorneys Named to 2018 Super Lawyers, Rising Stars Lists

August 7, 2018

Wolf Greenfield Recognized as Top IP Law Firm with High Rankings for Patent Prosecution, Litigation and Transactions

June 15, 2018

IAM Patent 1000 Ranks 10 Wolf Greenfield Attorneys, More Than Any Other Firm in Boston

March 29, 2018

Wolf Greenfield Shareholder Jeffrey Hsi Honored by Rutgers Law Association

December 5, 2017

Wolf Greenfield Shareholder Jeff Hsi Honored with Community Service Award

November 14, 2017 - November 15, 2017

Wolf Greenfield to Speak at Comparative Patent Practice Conference

October 17, 2017

Wolf Greenfield Attorneys Named to 2017 Super Lawyers, Rising Stars Lists

October 4, 2017 5:30 PM - 8:30 PM ET

Wolf Greenfield and Harrison Goddard Foote Host IP Trends Across the Atlantic

June 6, 2017

2017 Edition of IAM Patent 1000 Recognizes Wolf Greenfield