Brian P Gregg

Trademark attorney of record on 2,465 registered marks in USPTO records.

Top Trademark Attorney
2,465registrations of record
22list appearances
#1best rank achieved
26states represented

Recognition

Top Trademark Attorney #1 — Pennsylvania All years · 1,035 registrations
Top Trademark Attorney #1 — Pennsylvania 2026 · 69 registrations
Top Trademark Attorney #2 — Pennsylvania 2025 · 50 registrations
Top Trademark Attorney #1 — Pennsylvania 2024 · 63 registrations
Top Trademark Attorney #2 — Pennsylvania 2023 · 38 registrations
Top Trademark Attorney #2 — Pennsylvania 2022 · 42 registrations
Top Trademark Attorney #3 — Pennsylvania 2021 · 37 registrations
Top Trademark Attorney #1 — Pennsylvania 2020 · 56 registrations
Top Trademark Attorney #2 — Pennsylvania 2019 · 81 registrations
Top Trademark Attorney #1 — Pennsylvania 2018 · 84 registrations
Top Trademark Attorney #1 — Pennsylvania 2017 · 65 registrations
Top Trademark Attorney #2 — Pennsylvania 2016 · 48 registrations
Top Trademark Attorney #1 — Pennsylvania 2015 · 67 registrations
Top Trademark Attorney #2 — Pennsylvania 2014 · 46 registrations
Top Trademark Attorney #1 — Pennsylvania 2013 · 44 registrations
Top Trademark Attorney #2 — Pennsylvania 2012 · 44 registrations
Top Trademark Attorney #6 — Pennsylvania 2010 · 18 registrations
Top Trademark Attorney #2 — Pennsylvania 2009 · 29 registrations
Top Trademark Attorney #3 — Pennsylvania 2006 · 26 registrations
Top Trademark Attorney #10 — Pennsylvania 2005 · 16 registrations
Top Trademark Attorney #4 — Pennsylvania 2004 · 20 registrations
Top Trademark Attorney #7 — Pennsylvania 2002 · 20 registrations

Registrations by year

2026125
2025134
2024142
202399
2022117
2021111
2020129
2019157
2018176
2017159
2016162
2015141
2014106
201393
201291
201149
201048
200963
200845
200737

Where their clients are incorporated

Pennsylvania1,035 registrations
Delaware515 registrations
Florida33 registrations
Virginia24 registrations
Ohio21 registrations
California18 registrations
Michigan15 registrations
DC11 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