Contact HPK at 410.938.8800
Leonard Bloom
Senior Counsel
lbloom@hpklegal.com
Tel: (410) 769-6144
Fax: (410) 832-5642

![]()
Leonard Bloom
“My unique combination of years of management experience in industry coupled with years in private law practice enables me to "see the big picture" to readily counsel my clients and properly assist them in meeting the goals and objectives of their businesses.”
Areas of Practice
Professional Experience
Leonard Bloom has been a registered patent attorney for over 50 years. He and his associates handle all technologies and all aspects of intellectual property ("I.P.") law, consisting of patents, trademarks and copyrights both in the United States and internationally.
Prior to going into private practice, Mr. Bloom was employed by BLACK & DECKER, where he organized and directed the international patent and trademark department including, when necessary, managing patent litigation.
A substantial segment of Mr. Bloom's professional career has been devoted to licensing, technology transfer and product development; and he has been "on both sides of the table" representing respective clients involving products having sales in the millions and (in one case billions of dollars).
Personal Information
Education
- Johns Hopkins University, B.E. in Electrical Engineering, 1951
- University of Maryland, LLB, 1957
- Maryland Law Review, 1956-1957
- Order of the Coif
Bar Admission
- Maryland, 1957
- U.S. District Court, District of Maryland, 1957
- U.S. Supreme Court, 1981
- District of Columbia, 1982
- U.S. Court of Appeals for the Federal Circuit, 1982
- Registered to practice before the U.S. Patent and Trademark Office - Registration No. 18,369
- Registered to practice before Canadian Patent Office
Bar Associations
- Bar Association of the District of Columbia
- Bar Association of Baltimore City
- Federal and American Bar Associations
Other
- Military Service: U.S. Air Force, 1st Lt., 1951-1953
- Hobbies: Foreign Travel, Shooting Pool
Community Involvement
- Honorary Life Member, Chamber of Commerce of Metropolitan Baltimore
Community Links
Additional Information
- Licensing Executives Society
- Maryland Patent Law Association
- The Association of Corporate Patent Counsel
- Institute of Electrical and Electronic Engineers
- International Trademark Association
- American Intellectual Property Law Association
