(Main Office)

Davidson, Davidson & Kappel, LLC is a full service intellectual property law firm with expertise in the preparation of patent applications, trademark applications, intellectual property litigation, and client counseling/due diligence/opinions. A particular area of expertise is pharmaceutical patents. Our firm is staffed with German speaking attorneys to better service the needs of our European clients.

Statement of Practice

Intellectual Property Practice, Patents, Trademarks, Copyrights, Trade Secrets, Unfair Competition and Computer Law.

Address

485 Seventh Avenue, 14th Floor
New York, NY 10018, (New York Co.)

Phone

Phone: 212-736-1940
Fax: 212-736-2427
URL: http://www.lawyers.com/dd&klaw

Website

http://www.ddkpatent.com

Office Hours

Monday: 09:00 AM - 05:00 PM
Tuesday: 09:00 AM - 05:00 PM
Wednesday: 09:00 AM - 05:00 PM
Thursday: 09:00 AM - 05:00 PM
Friday: 09:00 AM - 05:00 PM

PARTNERS

Clifford M. Davidson (Partner) born Yonkers, New York, March 7, 1960; admitted to bar, 1986, Pennsylvania and U.S. District Court, District of New Jersey; 1987, New York and U.S. District Court, Southern and Eastern Districts of New York; registered to practice before U.S. Patent and Trademark Office. Education: Rutgers University (B.S., 1983; J.D., 1986). Alpha Zeta Omega, Professional Pharmaceutical Fraternity. Recipient, American Jurisprudence Award, Property Law. Registered Pharmacist, New Jersey, 1983. Member, Controlled Release Society (Pharmaceuticals), 1993—. Member, American Pharmaceutical Association, 1991—. Adjunct Professor, Rutgers College of Pharmacy, 2006—. Rutgers University Graduate School Advisory Board, 2008—. Featured Author, Drug Delivery Technology Magazine, 2004—. Featured Speaker and Track Chair, Drug Delivery Partnerships Convention, 2007—. Member: New York Intellectual Property Law Association; New Jersey Intellectual Property Law Association. Practice Areas: Client counseling for patent-related matters; Patent Prosecution; Freedom to Operate and Infringement Opinions; Due Diligence and Tech-transfer; Licensing; Litigation; and Intellectual Property Portfolio Management..Email: Clifford M. Davidson

Leslye B. Davidson (Partner) born Yonkers, New York, February 1, 1964; admitted to bar, 1991, New York; 1992, New Jersey and U.S. District Court, Southern and Eastern Districts of New York; registered to practice before U.S. Patent and Trademark Office. Education: Rutgers College of Pharmacy (B.S., high honors, 1987); New York University (J.D., 1990). Rho Chi; Phi Lambda Sigma. Recipient, Moot Court Advocacy Award. Annual Survey of American Law, Author: "Smoking in the Workplace." Co-Author: "Nutrition Labeling on Products," National Law Journal, June 17, 1991; Quarterly Column, New York State Bar Association Food, Drug Cosmetic and Medical Device Law Digest Note, Annual Survey of American Law, Spring, 1992. Member: American Bar Association; New York Womens Bar Association; International Trademark Association. Practice Areas: Patent Litigation; Patent Opinion and Due Diligence; Patent Prosecution; Patent Licensing; Trademark Prosecution; Trademark Licensing; Trademark Litigation; Trademark Due Diligence; Pharmaceutical Patents.Email: Leslye B. Davidson

Cary S. Kappel (Partner) born New York, New York, March 29, 1965; admitted to bar, 1993, New York; U.S. District Court, Southern District of New York; registered to practice before the U.S. Patent and Trademark Office. Education: State University of New York at Stony Brook (B.E.E.E., 1987); Fordham University (J.D., cum laude, 1992). Staff Member, 1990-1991 and Associate Editor, 1991-1992, Fordham Law Review. Practice Areas: Patent Litigation; Patent Opinion and Due Diligence; Electrical, Computer and Software; Patent Prosecution; Pharmaceutical Patent Prosecution; Mechanical Patent Prosecution; Patent Licensing.Email: Cary S. Kappel

William C. Gehris (Partner) born Baltimore, Maryland, November 13, 1966; admitted to bar, 1993, New York; registered to practice before U.S. Patent and Trademark Office. Education: Princeton University (B.S.E., magna cum laude, 1988); Columbia University (J.D., 1992). Phi Beta Kappa. Author: "United States Patent Claim Interpretation After Markman," Patent World, June/July, 1996. Member: American Bar Association; American Intellectual Property Lawyers Association. Languages: German. Practice Areas: Patent Prosecution; Trademarks; Litigation; Licensing.Email: William C. Gehris

COUNSEL

David Petroff (Counsel) admitted to bar, 1998, New York; registered to practice before U.S. Patent and Trademark Office. Education: California State University, Los Angeles (B.S.E.E., 1988); Touro College (J.D., 1997). Practice Areas: Litigation; Patent Prosecution; Patent Opinions; Licensing; Contracts.Email: David Petroff

John S. Economou (Counsel) born Buffalo, New York; admitted to bar, 1995, Massachusetts; 1997, U.S. District Court, District of Massachusetts; 1999, New York; 2003, U.S. District Court, Eastern and Southern Districts of New York; 2006, U.S. District Court, Eastern District of Michigan; registered to practice before U.S. Patent and Trademark Office. Education: Worcester Polytechnic Institute (B.S.E.E., 1984; M.S.E.E., 1986); Suffolk University Law School (J.D., 1995). Eta Kappa Nu. Practice Areas: Patent Prosecution; Patent Litigation.

Richard V. Zanzalari (Counsel) born Perth Amboy, New Jersey, December 11, 1967; admitted to bar, 2000, New Jersey; 2003, U.S. Court of Appeals, Federal Circuit; 2003, U.S. Supreme Court; registered to practice before U.S. Patent and Trademark Office. (Not admitted in New York). Education: Massachusetts College of Pharmacy (B.S., Pharmacy, 1990); Phi Delta Chi; Touro College, Jacob D. Fuchsberg Law Center (J.D., 1999). Registered Pharmacist, New Jersey, 1990. Practice Areas: Patent Prosecution.Email: Richard V. Zanzalari

ASSOCIATES

Benjamin S. DiMarco (Associate) born Wayne, New Jersey, August 4, 1973; admitted to bar, 2001, New Jersey; 2004, New York; registered to practice before U.S. Patent and Trademark Office. Education: Rutgers College of Pharmacy (B.S.Ph., 1996); Rutgers University Law School, Camden (J.D., 2001). Registered Pharmacist, New Jersey, 1996. President, Health Law Student Association, 2000-2001. Member: American Bar Association. Practice Areas: Patent Litigation; Hatch-Waxman Counseling and Litigation; Patent Prosecution; Patent Opinions; Due Diligence.Email: Benjamin S. DiMarco

Jan M. Decker (Associate) born Marburg, Germany, January 7, 1971; admitted to bar, 2000, Germany; 2005, New York; 2008, U.S. District Court, Southern District of New York. Education: Phillips-Universitat Marburg, Germany; Fordham University (LL.M., 2004). Member: Frankfurt Bar Association (Germany); New York State Bar Association. Languages: German and English. Practice Areas: Patent Litigation; Trademarks; Intellectual Property.Email: Jan M. Decker

Oliver Platz (Associate) born Valley Stream, New York, June 4, 1974; admitted to bar, 2004, New York and Frankfurt am Main, Germany. Education: Johann Wolfgang Goethe University Frankfurt a.M., Germany (2000); Fordham University School of Law (LL.M., cum laude, 2003); University of Leicester, England. Member: New York State Bar Association, Rechtsanwaltskammer Frankfurt a.M. Languages: German, French. Practice Areas: Trademark Prosecution; Patent Litigation; Patent Prosecution; Intellectual Property.Email: Oliver Platz

Sunil G. Raval (Associate) born Hoboken, New Jersey, April 19, 1974; admitted to bar, 2000, New Jersey; 2005, New York; registered to practice before U.S. Patent and Trademark Office. Education: Rutgers University (B.S., Biological Sciences, cum laude, 1997); Rutgers University Law School, Newark (J.D., 2000); New Jersey Institute of Technology (M.S., Pharmaceutical Engineering, 2005). Tau Beta Pi Engineering Honor Society. Practice Areas: Patent Prosecution.Email: Sunil G. Raval

Oleg Ioselevich (Patent Attorney) born Minsk, Belarus, 1972; admitted to bar, 2006, New York; registered to practice before U.S. Patent and Trademark Office. Education: Long Island University (B.S., Pharmacy, magna cum laude, 1995); Brooklyn Law School (J.D., 2005). Registered Pharmacist, New York, 1995. Languages: Russian. Practice Areas: Patent Prosecution; Pharmaceutical Patents.Email: Oleg Ioselevich

Jennifer L. O'Connell (Associate) born Plainview, New York, May 16, 1979; admitted to bar, 2006, New York; registered to practice before U.S. Patent and Trademark Office. Education: Lehigh University (B.S., Civil Engineering, 2002; B.S., Earth and Environmental Sciences, 2002); DePaul University College of Law (J.D., 2005). Member: American Bar Association; American Intellectual Property Law Association; Chicago Bar Association. Practice Areas: Patent Prosecution.Email: Jennifer L. O'Connell

Danielle C. Sullivan (Associate) born New York, New York, April 27, 1976; admitted to bar, 2006, New Jersey; 2007, New York; registered to practice before U.S. Patent and Trademark Office. Education: Lehigh University (B.S., Industrial Engineering, 1998); Seton Hall University (J.D., 2006). Member: American Intellectual Property Law Association. Practice Areas: Patent Prosecution.Email: Danielle C. Sullivan

Simon C. Steiner (Associate) born Sigmaringen, Germany, September 4, 1974; admitted to bar, 2004, Germany; 2008, New York. Education: University of Augsburg, Germany; Ludwig-Maximilians University, Munich, Germany; Fordham University School of Law, New York (LL.M., IP program, 2008). Member: Rechtsanwaltskammer, Tubingen (Germany); New York County Lawyers Association; VPP-Vereinigung von Fachleuten des Gewerblichen Rechtsschutzes. Languages: German and English. Practice Areas: Patent Prosecution; Trademark Prosecution; Patent Litigation.Email: Simon C. Steiner

Clint Mehall (Associate) born Normal, Illinois, November 28, 1980; admitted to bar, 2008, New York. Education: University of Missouri (B.S., Biological Engineering, 2003); DePaul University College of Law (J.D., cum laude, 2007). Member: New York State Bar Association; New York County Lawyers Association. Practice Areas: Patent Prosecution.