- J.D., 1977, Yale Law School
- B.A, 1974, State University of New York at Albany
- Law Clerk to The Honorable Walter K. Stapleton, United States District Court for the District of Delaware
Admissions to Practice
- Delaware, 1979
- U.S. Court of Appeals for the Third Circuit, 1984
- U.S. Court of Appeals for the Federal Circuit, 1985
- U.S. Supreme Court, 1987
Jack B. Blumenfeld
PartnerTel: (302) 351-9291
Fax: (302) 425-3012
Jack is a member of the Intellectual Property Litigation Group. His practice concentrates on patent litigation and encompasses many different areas of technology.
Jack has been a member of the District Court Advisory Committee for the United States District Court for the District of Delaware, the Civil Justice Reform Act Advisory Group for that Court, and the Intellectual Property Advisory Committee of that Court.
Professional and Community Activities
- Member, American Bar Association
- Member, Delaware State Bar Association
- The Best Lawyers in America 2015 Delaware Lawyer of the Year, Litigation—Patent
- Who’s Who Legal: Patents, 2014
- Delaware Super Lawyer, 2014
- Managing Intellectual Property, Delaware Litigator of the Year, 2014 and 2015
- LMG Life Sciences 2014: Life Science Star
- The Best Lawyers in America 2013 Delaware Lawyer of the Year, Intellectual Property Litigation
- Ranked the number one Delaware patent litigator by Intellectual Asset Management magazine - IAM 250: The World's Leading Patent Litigators 2011
- Star Performer in Intellectual Property, Chambers USA: 2012 America's Leading Lawyers for Business
- Listed in The Best Lawyers in America for the past 20 years
- Lawdragon Magazine - 500 Leading Lawyers in America
- Benchmark Litigation Magazine – Delaware Litigation Star
- International Who’s Who of Patent Lawyers - 2011
- IAM 1000 - The World's Leading Patent Practitioners: Gold-ranked
- Managing Intellectual Property Names Jack Blumenfeld Outstanding IP Litigator for Delaware
Managing Intellectual Property has named Jack Blumenfeld Outstanding IP Litigator for Delaware.
- 2015 Patents Expert Guide Recognizes Three Morris Nichols Partners
Jack Blumenfeld, Karen Jacobs, and Rodger Smith were recognized in the United States listing of the 2015 Patents Expert Guide.
- Docket Navigator Year in the Review 2014: Morris Nichols Among Top Firms in District Court Patent Cases
Docket Navigator released its Year in Review 2014. The report examining patent litigation trends mentions Morris Nichols in lists of top district court law firms and attorneys.
- Benchmark Litigation Recognizes Morris Nichols in 2015 Rankings
The 2015 edition of Benchmark Litigation recognizes Morris, Nichols, Arsht & Tunnell LLP as a “Highly Recommended” law firm in Delaware. The guide notes that Morris Nichols “has developed a national reputation as a leading general commercial litigation, bankruptcy, and intellectual property firm.”
- 28 Morris Nichols Attorneys Listed in The Best Lawyers in America® 2015
Morris Nichols is pleased to announce that 28 firm attorneys were selected for inclusion in the 2015 edition of The Best Lawyers in America®. Two partners received special recognition as 2015 Delaware Lawyer of the Year: Jack B. Blumenfeld for Litigation-Patent, and Kenneth J. Nachbar for Bet-the-Company Litigation.
- Morris Nichols Partners Jack Blumenfeld and Mary Graham Named 2014 LMG Life Sciences Stars for Intellectual Property
Jack B. Blumenfeld and Mary B. Graham have been recognized as “Life Sciences Stars” by LMG Life Sciences 2014. Both members of the Morris Nichols Intellectual Property Litigation group, they were selected for inclusion in the LMG category for intellectual property. Their practices frequently involve representation of clients in the biotechnology, medical device, and pharmaceutical industries.
- Four Morris Nichols Partners Listed Among Top Patent Attorneys in Who’s Who Legal: Patents 2014
Jack B. Blumenfeld, Karen Jacobs, Maryellen Noreika, and Rodger D. Smith, II have been named in the Who’s Who Legal: Patents 2014, an independent research guide on the world’s leading patent lawyers.
- Intellectual Asset Management Ranks Morris Nichols in Delaware Top Tier
The 2014 edition of IAM Patent 1000 – The World’s Leading Patent Practitioners ranked Morris Nichols in the gold tier for Delaware, noting the firm “is a first port of call for litigators seeking local counsel in Delaware.”
- 17 Morris Nichols Attorneys Selected For Inclusion in Super Lawyers- Delaware Edition 2014
Super Lawyers is a rating service of outstanding lawyers from more than 70 practice areas who have attained a high-degree of peer recognition and professional achievement. The selection process is multi-phased and includes independent research, peer nominations and peer evaluations.
- Chambers USA 2014 Names 21 Morris Nichols Attorneys and 4 Practice Groups as Best in Delaware
Chambers annually conducts in-depth interviews of commercial users of legal services to assess the strengths and reputations of US attorneys. Rankings are based on technical legal ability, professional conduct, client service, commercial astuteness, diligence, commitment, and other qualities most valued by clients.
- 2014 Chambers USA Directory Ranks 21 Morris Nichols Attorneys as 'Leaders in their Field"
- Congratulations to Jack Blumenfeld, 2014 Delaware Litigator of the Year
- Morris Nichols Attorneys Named to 2014 Best Lawyers in America – 60 Practice Specialty Selections; 22 Top-Listed Practice areas; 5 Delaware Lawyers of the Year
Morris Nichols is pleased to announce that two thirds of the firm's partnership have been selected for inclusion in the 2014 edition of The Best Lawyers in America.
- Chambers USA 2013 Names 17 Morris Nichols Attorneys and 4 Practice Groups as Best In Delaware
The 2013 edition of Chambers USA: America’s Leading Lawyers for Business today ranked seventeen Morris Nichols’ attorneys and four practice groups as best in Delaware.
- 22 Morris Nichols Attorneys Selected for Inclusion in Super Lawyers – Delaware Edition 2013
22 Morris Nichols attorneys have been selected for inclusion in Super Lawyers - Delaware Edition 2013.
- Morris Nichols Tops Delaware in Benchmark Litigation 2013
Morris Nichols is pleased to announce that nine Morris Nichols’ attorneys and three practice areas have been selected as among the best in Delaware by the 2013 edition of Benchmark Litigation.
- Morris Nichols Attorneys Named Delaware “Lawyers of the Year”
Gil Sparks, Jack Blumenfeld, and Rick Alexander have been named 2013 Delaware Lawyers of the Year by the Best Lawyers in America publication in the Bet-the-Company Litigation, Intellectual Property Litigation, and Mergers and Acquisitions Law categories, respectively.
- 28 Morris Nichols Attorneys Named to The Best Lawyers in America 2013
28 Morris Nichols attorneys have been named to The Best Lawyers in America 2013 in twenty two practice areas.
- Morris Nichols’ Jack Blumenfeld Named Among Top Patent Litigators; Firm Ranks First in Delaware
Jack Blumenfeld has been selected as the sole Gold-ranked patent litigator in Delaware by Intellectual Asset Management (IAM) magazine in the 2012 edition of IAM 1000 - The World's Leading Patent Practitioners
- Morris Nichols’ Jack Blumenfeld, Mary Graham Named 2012 Life Science Stars
Jack Blumenfeld and Mary Graham have been named “Life Science Stars” by LMG Life Sciences 2012: The Definitive Guide to the Leading Firms and Attorneys in US Life Sciences.
- Morris Nichols Team Successful in LadaTech v Illumina Patent Infringement Dispute
Jack Blumenfeld and Maryellen Noreika headed the Morris Nichols patent litigation trial team that represented LadaTech, LLC in its successful patent infringement dispute against Illumina, Inc.
- Morris Nichols’ Jack Blumenfeld Ranked Number One in Delaware Among World’s Foremost Patent Litigators
Jack B. Blumenfeld has been ranked the number one Delaware patent litigator by Intellectual Asset Management (IAM) magazine in the 2011 edition of IAM 250 -The World's Leading Patent Litigators.
- Jack B. Blumenfeld, Karen Jacobs, Jeremy A. Tigan, Pretrial Preparation, ANDA Litigation: Strategies and Tactics for Pharmaceutical Patent Litigators, 329-350 (Kenneth L. Dorsney ed., ABA Publishing 2012)
- Vice Chancellor Donald F. Parsons, Jack B. Blumenfeld, Mary B. Graham and Leslie A. Polizoti, Explaining Venue Choice and Litigant Preferences: Solving the Delaware Mystery, ECONOMIC DAMAGES IN INTELLECTUAL PROPERTY: A HANDS-ON GUIDE TO LITIGATION 67-81 (Daniel Slottje ed., John Wiley & Sons 2006)
- Donald F. Parsons, Jr., Jack B. Blumenfeld, Mary B. Graham & Leslie A. Polizoti, Solving the Mystery of Patentees' 'Collective Enthusiasm' for Delaware, Delaware Law Review, Vol 7:2 (2005)