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About me


I am an intellectual property (IP) law attorney with extensive experience in preparing and prosecuting patents relating primarily to the high-technology electrical/computer, mechanical and biotechnology arts.

Eleven years of hands-on experience as an electrical design engineer have given me a definitive edge in being able to fully comprehend the intricacies of complex inventions and to craft patent applications which broadly protect a client's valuable IP rights.

I also have extensive experience in patent appeals (with a highly successful appeals record), client counseling, IP evaluation and IP portfolio management.



Extensive engineering background, particularly in analog/digital IC design and fabrication, communication systems, amplifiers, filters, data converters, etc. Extensive legal experience in all areas of domestic and foreign patent prosecution, patent appeals, opinion work, IP evaluation and portfolio management, licensing, and litigation support.



I am a licensed amateur radio operator, call sign K2DA.  Additionally, I am actively involved in community organizations, including the Boy Scouts of America (serving as an Assistant Scoutmaster) and local civic assoications (as member/trustee).  I enjoy almost any outdoor activity, especially hiking and boating.


Practice areas


  1. Patent Application: 88%
  2. Trademark Application: 5%
  3. Intellectual Property: 5%
  4. Licensing: 2%

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Contact info

Otterstedt, Ellenbogen & Kammer, LLP

21 Pine Hollow Lane
Greenlawn, NY, 11740


NYCurrently registered 199803/13/2015
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
American Jurisprudence Award for Excellence in Legal MethodsThe Lawyers Cooperative Publishing Company1998
Work experience
TitleCompany nameDuration
PartnerRyan Mason & Lewis LLP2000 - Present
Patent CounselIBM Corporation1999 - 2000
AssociateHoffmann & Baron, LLP1997 - 1999
Sr. IC Design EngineerTelephonics Corporation1991 - 1997
Product EngineerStandard Microsystems Corp.1989 - 1991
EngineerProfessional Decision Making Inc.1988 - 1989
EngineerBAE Systems (formerly Hazeltine Corp.)1986 - 1988
Association namePosition nameDuration
New York Intellectual Property Law AssociationMemberN/A
American Intellectual Property Law AssociationMemberN/A
New York Bar AssociationMemberN/A
Institute of Electrical and Electronics EngineersMemberN/A
School nameMajorDegreeGraduated
Touro College - Jacob D. Fuchsberg Law CenterLawJD - Juris Doctor1997
Polytechnic UniversityElectrical Engineering (VLSI design)M.S.E.E.1993
Clarkson UniversityElectrical and Computer Engineering (dual major)B.S.E.C.E1986