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Last updated: October 26, 2026

Patrick J Maestri, USPTO Patent Examiner

Listed by the USPTO as MAESTRI, PATRICK J

Tech Center 3600 • Art Units: 3633 3635 3638

This examiner grants 73% of resolved cases

Performance Statistics

73.3%

Allow Rate

+21.3% vs TC avg

1,121

Total Applications

+15.0%

Interview Lift

743

Avg Prosecution Days

Based on 1090 resolved cases, 2023–2026

Rejection Statute Breakdown

0.6%

§101 Eligibility

14.5%

§102 Novelty

48.0%

§103 Obviousness

30.4%

§112 Clarity

Currently Pending Office Actions

App #	Title	Status	Assignee
19105160	DEVICE AND METHOD FOR PRODUCING AND SEALING A LINE FEEDTHROUGH DIRECTLY BENEATH A CEILING	Non-Final OA	Hilti Aktiengesellschaft
19037775	WIPER SEAL PAD SYSTEMS	Non-Final OA	ASSA ABLOY ENTRANCE SYSTEMS AB

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Who Appears Before This Examiner

Top companies before this examiner

Columbia Insurance Company (1)
Hilti Aktiengesellschaft (1)
Assa Abloy AB (1)
Tricam Industries, LLC (1)
Compagnie Générale des Établissements Michelin (1)
Unilin B.V. (1)
Liberty Plastics Inc. (1)
Doka GmbH (1)

Law firms appearing most often

BLANK ROME LLP (1)
Bodi Law LLC (1)
Burr & Forman LLP (Primary Customer Number) (1)
Dickinson Wright PLLC - Washington DC (1)
Grüneberg Global IP, PLLC (1)
HAYES SOLOWAY P.C. (1)
Hovey Williams LLP (1)
LATHROP GPM LLP (1)

Frequently Asked Questions

What is examiner Patrick J Maestri's allowance rate?

73.3% of resolved applications examined by Patrick J Maestri were allowed (1,090 resolved cases), compared with 57.2% across Art Unit 3633 over the last five years.

Does an interview help with examiner Patrick J Maestri?

This examiner's interview lift is +15.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Patrick J Maestri take to allow a patent?

Applications allowed by Patrick J Maestri took 743 days on average from filing to allowance.

Which art unit does examiner Patrick J Maestri work in?

Patrick J Maestri examines applications in Art Unit 3633 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).