Patent Agent David J Johnson

USPTO Data

USPTO data is frequently out of date. You can update your information at the USPTO OED website.

Reg. No.:61009
Firm/Company:Perry & Currier
Address:Toronto, ON M4T 1X3
Last Updated:2026-10-02

Public Data

This information is obtained from searching the Internet and may be out of date or incorrect.

Firm/Company: Home - PCK
Other info: LinkedIn Profile
Firm Profile
Last Updated:2026-09-19

Top Applicants

This practitioner has been affiliated with the following applicants over the past 10 years.

Applicant Count
AMADEUS S.A.S. 231
MOTOROLA SOLUTIONS, INC. 224
Mitel Networks Corporation 108
CHRISTIE DIGITAL SYSTEMS USA, INC. 92
Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. 75
PERASO TECHNOLOGIES INC. 71
NATIONAL RESEARCH COUNCIL OF CANADA 49
EXOCAD GMBH 41
ECOBEE INC. 37
RANOVUS INC. 34
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