D.C. Area Patent & Trademark Attorneys
Professional profiles
Greigg & Greigg PLLC offers a strong legal team of two well-practiced and experienced patent attorneys, one of whom specializes as well in trademark law. Our legal counselors are assisted by equally experienced and seasoned patent agents that work with our attorneys.
Ronald E. Greigg, Esq.—Principal Attorney
Mr. Greigg is the principal attorney of Greigg & Greigg PLLC and draws from the experience of 30+ years practicing in matters of intellectual property law:
- Registered U.S. Patent Attorney No. 31,517
- Field of Technology:
- mechanical
Ronald E. Greigg has earned the respect of his peers in the legal community and earned Martindale-Hubbell® highest AV® peer-review rating™. He has also been featured in Who’s Who in American Law.
Admitted to practice:
- Florida State Bar (1976)
- District of Columbia Bar (1978)
- U.S. Supreme Court (1980)
- Virginia State Bar (1985)
- Registered to practice before U.S. Patent and Trademark Office (USPTO)
Richard M. Sheer, Esq. – Of Counsel
Mr. Sheer has over 40 years of experience as a Patent Examiner and as a Quality Assurance Specialist at the USPTO where he trained patent examiners and reviewed their work.
- Registered US Patent Attorney No.64089
- Field of Technology
- Mechanical and electro-mechanical subject matter.
Admitted to Practice:
- Maryland Bar
- District of Columbia
- Maryland
Patent Agents
Steven L. Stephen
- Registered U.S. Patent Agent No. 47,339
- 35+ years of experience in Patent Prosecution
- Former Supervisory Patent Examiner (USPTO)
- Fields of Technology:
- mechanical
- electro-mechanical
Julie A. Krolikowski
- Registered U.S. Patent Agent No. 36,415
- 15+ years experience in patent field
- Former Patent Examiner (USPTO)
- Field of Technology:
- mechanical
Stephen Garbe
- Registered U.S. Patent Agent No. 65,961
- 35+ years of experience in Patent Prosecution
- Former Patent Examiner (USPTO)
- Field of Technology:
- mechanical
Quick Contact
Contact Info
1423 Powhatan Street, Unit One
Alexandria, Virginia 22314
Tel: 703-838-5500 or 800-257-2836

