Santa Ana, CA, United States of America

Collectors Universe, Inc.

Calculating rank
USPTO Granted Patents = 9

% Expired Patents = 11.1


Trademarks = 37

Forward Citations = 34

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18 inventors (with patents filed for the assignee):

goldMedal Michael Oveido (2 out of 2 patents)

silverMedal Stephanie Sabin (2 out of 2 patents)

bronzeMedal John Nelson (2 out of 2 patents)

4.  Mark Frisbee (2 out of 2 patents)

5.  Imir Kalkanci (2 out of 2 patents)

6.  Casper Beesley (1 out of 1 patent)

7.  Michael R Haynes (1 out of 1 patent)

8.  Hu Cao (1 out of 2 patents)

9.  David Shalamberidze (1 out of 1 patent)

10.  Kevin C Lenane (1 out of 1 patent)

11.  Hideto Oda (1 out of 1 patent)

12.  Dan Van Tran (1 out of 1 patent)

13.  David Shalamberidze (1 out of 1 patent)

14.  Danylo Prykhodko (1 out of 1 patent)

15.  Pratixa Joshi (1 out of 1 patent)


9 patents:

Company Overview
Collectors Universe, Inc. is a leading provider of authentication and grading services for collectible coins, trading cards, and other collectibles. The company operates several well-known brands in the collectibles industry, including PSA (Professional Sports Authenticator) and PCGS (Professional Coin Grading Service). Established in 1986, Collectors Universe has built a reputation for quality, reliability, and expertise. They provide services that enhance the value and liquidity of collectibles, helping collectors and investors make informed decisions. With a focus on customer service, innovation, and integrity, Collectors Universe continues to shape the future of the collectibles market.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

9 Patents

#59 in Santa Ana, CA

#7,751 in California

#32,627 in US

Santa Ana, CA (US)
Santa Ana, CA, United States of America
Forward Citations = 34

18 inventors:

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Collectors Universe, Inc.. Retrieved from https://idiyas.com/company/collectors-universe

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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