Trademarks = 5

Forward Citations = 30

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3 inventors (with patents filed for the assignee):

Leonard N Albrecht (4 out of 14 patents)

Frank D Ashleigh (1 out of 1 patent)

C Julian Ray (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 5528857 - Integral root barrier panel and combination (1996-06-25),

2. 5442891 - Root-control barrier combination, and method of controlling roots by (1995-08-22),

3. 5371967 - Root-control planter that is integral, lightweight, thin-walled, and (1994-12-13),

4. 5305549 - Method and apparatus for deflecting tree roots, and combination of the (1994-04-26),

Deep Root Partners, L.p. is a private equity company specializing in growth equity investments. They focus on partnering with and supporting high-growth companies in various industries to help them achieve their full potential. With a hands-on approach and deep industry expertise, Deep Root Partners strives to create long-term value for their portfolio companies and investors.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

4 Patents

#61 in Burlingame, CA

#14,036 in California

#60,561 in US

Burlingame, CA, United States of America

Deep Root Partners, L.p.

Forward Citations = 30

3 inventors:

Leonard N Albrecht (4 out of 14 patents)

Frank D Ashleigh (1 out of 1 patent)

C Julian Ray (1 out of 1 patent)

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