Anton Leonov

Trademark attorney of record on 2,050 registered marks in USPTO records.

Top Trademark Attorney
2,050registrations of record
5list appearances
#3best rank achieved
47states represented

Recognition

Top Trademark Attorney #4 — Wyoming All years · 191 registrations
Top Trademark Attorney #3 — Wyoming 2026 · 59 registrations
Top Trademark Attorney #7 — New Jersey 2026 · 17 registrations
Top Trademark Attorney #3 — Wyoming 2025 · 66 registrations
Top Trademark Attorney #3 — Wyoming 2024 · 40 registrations

Registrations by year

2026288
2025471
2024376
2023238
2022168
2021198
2020160
2019112
201811
20174
20162
20157
20143
20132
20121
20112
20062
20055

Where their clients are incorporated

California207 registrations
Wyoming191 registrations
Florida173 registrations
Delaware158 registrations
Texas127 registrations
New Jersey91 registrations
New York53 registrations
Washington42 registrations

Based on the owner address of record. Companies frequently incorporate in one state while operating in another, so this reflects client domicile rather than where the attorney practises.

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How this list is compiled

TrademarkToolbox Top Trademark Attorney lists are not a ranking of attorney quality. Rank is based solely on the number of trademark registrations that list the attorney as attorney of record, for applications tied to the jurisdictions listed above. It measures filing volume, nothing else.

Volume reflects firm size, practice model and client mix. A solo practitioner handling a small number of complex matters will rank below a high-volume filing practice, and that says nothing about the quality of either. These lists are not an endorsement, a recommendation, or a substitute for your own due diligence when choosing counsel.

Data comes from USPTO public records as indexed by TrademarkToolbox. Attorney names are matched conservatively: we do not merge similar names, so an attorney who appears in the record under more than one form may be undercounted. Counts include registered marks only, by registration year. Full methodology · Request a correction or removal