Knobbe, Martens, Olson & Bear LLP

Calculating rank

USPTO Granted Patents = 7

% Expired Patents = 14.3

Trademarks = 4

Forward Citations = 85

Loading Chart...

8 inventors (with patents filed for the assignee):

G Wesley Hatfield (2 out of 5 patents)

Landon Duval (1 out of 15 patents)

Sanjay Kumar (1 out of 22 patents)

4. Rolf E Carlson (1 out of 16 patents)

5. Robert T McIver, Jr (1 out of 3 patents)

6. Richard L Hunter (1 out of 1 patent)

7. Dane A Hoiberg (1 out of 5 patents)

8. Bruce L Bartlett (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 12357850 - Devices for preventing inhalation of, exposure to, airborne material (2025-07-15),

2. 11442768 - Cross-hypervisor live recovery of virtual machines (2022-09-13),

3. 7895640 - Method for control of gaming systems and for generating random numbers (2011-02-22),

4. 5292075 - Disposable diaper recycling process (1994-03-08),

5. 5266487 - Apparatus for the treatment of lignocellulosic materials (1993-11-30),

6. 5234827 - Enzymatic process for manufacturing formaldehyde and hydrogen peroxide (1993-08-10),

7. 4959543 - Method and apparatus for acceleration and detection of ions in an ion (1990-09-25),

Company Overview

Knobbe, Martens, Olson & Bear LLP is a leading intellectual property law firm with over 275 lawyers and scientists representing clients in all areas of intellectual property law. Established in 1962, the firm has offices throughout the United States and serves a diverse range of clients, from startups to Fortune 500 companies. With a focus on innovation, Knobbe helps clients protect and maximize the value of their intellectual property assets.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

7 Patents

#365 in Irvine, CA

#9,511 in California

#39,950 in US

Irvine, CA, United States of America