John M. Harrington

John M. Harrington: Attorney with Johnson, Marcou & Isaacs, LLC AV stamp icon
Attorney Awards


John Harrington, partner of Johnson, Marcou & Isaacs, has extensive experience in all aspects of patent prosecution in the United States and abroad, including proceedings before the Board of Patent Appeals and Interferences; counseling and opinions on patentability, infringement, clearance, and validity; audits and due diligence; as well as negotiating and drafting contracts and licenses.

Mr. Harrington specializes in patent prosecution focusing primarily on computer software patents in the financial services industry including successful prosecution of numerous patents relating to on-line transaction and trading systems; ATMs and ATM systems; transaction cards and card systems; account management, financial forecasting and accounting; and interactive voice response systems. He also has substantial experience in electronics, automotive components, metallurgical processes, industrial seals, engineered products, industrial engines, communication satellites, telecommunications, RFID devices, defense and security related technology, advanced metering infrastructure, fiber optic and metal cables, medical devices, optical disc technology, textiles, food products, furniture and furniture components, and cabinetry components.

Formerly, Mr. Harrington was counsel with King & Spalding LLP Intellectual Property Practice Group in Charlotte, N.C.

Mr. Harrington holds a Bachelor of Science in Chemical Engineering from North Carolina State University and law degree from the University of South Carolina.


- North Carolina Bar Association

- American IP Law Association

- Licensing Executives Society

Awards & Recognition

- AV Rated Lawye

Areas of Practice (14)

  • Communication Satellites
  • Computer Software
  • Defense & Security
  • Electronics
  • Fiber Optic & Metal Cables
  • Financial Services
  • Food Products
  • IP Due Diligence
  • Mechanical
  • Medical Devices
  • Mobile Communications
  • Optical Systems
  • Software Licensing/Contracts
  • Textiles

Education & Credentials

Contact Information:
912-499-0021  Phone
704.200.2601  Phone
University Attended:
North Carolina State University, B.S., Chemical Engineering, 1962
Law School Attended:
University of South Carolina, J.D., cum laude, 1968
Year of First Admission:
registered to practice before U.S. Patent and Trademark Office; 1968, North Carolina
Forsyth County and North Carolina Bar Associations; American Intellectual Property Law Association; International Trademark Association; Federal Circuit Bar Association; Patent and Trademark Office Society; Carolina's Patent Law Association; European Communities Trade Mark Association; Licensing Executive Society.

Peer Reviews

A Martindale-Hubbell Peer Rating reflects a combination of achieving a Very High General Ethical Standards rating and a Legal Ability numerical rating.

*Peer Reviews provided before April 15, 2008 are not displayed.

Hoschton, Georgia

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