D. Dennis Allegretti [ Of Counsel ]
Duane Morris LLP
Suite 500
470 Atlantic Avenue
Boston, MA 02210-2600
USA
Phone: 857.488.4222
Fax: 857.401.3040
Email:
DDAllegretti@duanemorris.com
D. Dennis Allegretti focuses his practice on intellectual property law and patent litigation.
Admitted to practice in Massachusetts, the District of Columbia, Illinois and before the United States Patent and Trademark Office, he is a fellow of the American College of Trial Lawyers and a member of the American, Massachusetts, Boston, and District of Columbia bar associations. Mr. Allegretti has served as author and speaker on numerous matters relating to intellectual property law and patent litigation.
He is a 1952 graduate of Georgetown University Law Center and a graduate of Massachusetts Institute of Technology (B.S. Chemical Engineering, 1948; B.S., General Engineering, 1949).
Representative Matters
- Amgen Inc. v. Hoechst Marion Roussel, Inc. and Transkaryotic Therapies, Inc., 314 F.3d 1313 (Fed. Cir. 2003).
- Amgen Inc. v. Genetics Institute, Inc., 98 F.3d 1328 (Fed. Cir. 1996).
- Amgen Inc. v. Chugai Pharmaceutical Co., 13 U.S.P.Q. 2d 1737 (D. Mass. 1989), 927 F.2d 1200 (Fed. Cir. 1991).
- Amgen Inc. v. United States International Trade Commission, 902 F.2d 1532 (Fed. Cir. 1990).
- The Dow Chemical Company v. American Cyanamid Company, 816 F.2d 617 (Fed. Cir. 1987).
- The Standard Oil Company v. American Cyanamid Company, 774 F.2d 448 (Fed. Cir. 1985).
- Cooper v. Goldfarb[Wil, Gote & Associates v. C.R.Bard, Inc.], 154 F. 3d 1321 (Fed. Cir. 1998), and 00-1046 (Fed. Cir. 2001).
- J.P. Stevens & Co., Inc. and Burlington Industries, Inc. et al v. Lex Tex Ltd., Inc., 747 F.2d 1553 (Fed. Cir. 1984).
- Chicago Metallic Mfg. Co., Inc. v. The Ekco Products Co., Inc. [American Home Products Corp.], 321 F.2d 550 (7th Cir. 1963).
- Eli Lilly and Company v. Premo Pharmaceutical Laboratories, Inc., 843 F.2d 1378 (Fed. Cir. 1988) (and underlying district court trial).
- Eli Lilly and Company, v. Premo Pharmaceutical Laboratories, Inc., 630 F.2d 120 (3rd Cir. 1980) (and underlying district court trial).
- Parker v. Flook [Atlantic Richfield Company], 427 U.S. 584 (1978).
- Kearns v. Ford Motor Company, 726 F. Supp. 159 (E.D. Mich. 1989).
- Mattson v. Ford Motor Company, 539 F. Supp. 792 (D. Minn. 1982).
- Genentech, Inc. v. The United States International Trade Commission, 122 F.3d 1409 (Fed. Cir. 1997).
- Genentech, Inc. v. The Wellcome Foundation Ltd., 14 U.S.P.Q.2d 1363 (D. Del. 1990) 29 F.3d 1555 (Fed. Cir. 1994).
- Gross v. General Motors Corporation, 521 F.2d 45 (1st Cir. 1975).
- Kearns v. General Motors Corporation, 31 F.3d 1178 (Fed. Cir. 1994), and 152 F.3d 945 (Fed. Cir. 1998) (Table, Text in Westlaw, 1998 Wl 129901).
- Honeywell, Inc. v. Sperry Rand Corporation, 54 F.R.D. 593 (D. Minn. 1971)
- Nobelpharma AB v. Implant Innovations, Inc., 141 F.3d 1059 (Fed. Cir. 1998).
- Koehring Co. v. National Automatic Tool Co., 362 F.2d 100 (7th Cir. 1996).
- Koehring Co. v. National Automatic Tool Co., 385 F.2d 414 (7th Cir. 1967).
- Shelco, Inc. v. Boyle-Midway, Inc. and American Home Products Corp., 466 F. 2d 613 (7th Cir. 1972)
- Stiffel Co. v. Sears, Roebuck Co., 313 F.2d 115 (7th Cir. 1962).
- Sears, Roebuck Co. v. Stiffel Co., 313 F.2d 115 (7th Cir. 1963).
- Sears, Roebuck Co. v. Stiffel Co., 376 U.S. 225 (1964).
- Universal Incorporated v. Kay Manufacturing Corporation, 195 F. Supp. 241 (M.D.N.C. 1961).
Professional Activities
- American Bar Association
- Has served as author and speaker on numerous matters relating to intellectual property law and patent litigation.
- Boston Bar Association
- American College of Trial Lawyers
- Fellow, 1972
Admissions
- Illinois
- U.S. Patent and Trademark Office
- Massachusetts
- District of Columbia
- Supreme Court of the United States
- United States Court of Customs and Patent Appeals
- United States Court of Appeals for the Federal Circuit
- United States Court of Appeals for the First, Third, Fourth, Fifth, Seventh and Eighth Circuits
- United States District Court for the Eastern District of Wisconsin
- United States Court of Claims
- United States Court of Appeals for the District of Columbia Circuit
- United States District Court for the District of Massachusetts
- United States District Court for the District of Columbia
- United States District Court for the Northern District of Illinois
- United States District Court for the Southern District of Indiana
- United States District Court for the Eastern District of Michigan
- Supreme Court of Massachusetts
- Supreme Court of Illinois
- United States Patent and Trademark Office
Education
- Georgetown University Law Center, J.D., 1952
Experience
- Duane Morris LLP
- Of Counsel - Burns & Levinson LLP, Boston, Massachusetts
- Of Counsel
- Partner - Banner & Allegretti, Boston, Massachusetts
- Partner - Allegretti & Witcoff, Boston, Massachusetts
- Partner - United States Army
- Office Chief of Ordinance, First Lieutenant, 1951-1953
Honors and Awards
- Listed in The Best Lawyers in America
- 2005-2006
- 2001-2002

