Prosecution Insights
Last updated: October 26, 2026

Sean D Andrish, USPTO Patent Examiner

Listed by the USPTO as ANDRISH, SEAN D

Tech Center 3600 • Art Units: 3672 3678

This examiner grants 72% of resolved cases

Analysis

ANDRISH, SEAN D works in Tech Center 3600 and Art Unit 3672. The record includes 1142 resolved cases, a 71.5% allowance rate, and a median of 849 days to allowance. The interview lift is 32.2%, giving interviews a meaningful place in prosecution planning.

The listed companies are Illinois Tool Works Inc., Petróleo Brasileiro S.A. - Petrobras, and Newcrest Mining Limited. The listed firms are ABM Intellectual Property Inc., Bayramoglu Law Offices LLC, and BIRCH STEWART KOLASCH & BIRCH, LLP. The resolved-case volume supports using the allowance figure as a working reference. The timing measure supports active scheduling, and the interview result favors preparation that connects technical explanations directly to the pending claims.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

71.5%
Allow Rate
+19.5% vs TC avg
1,190
Total Applications
+32.2%
Interview Lift
849
Avg Prosecution Days
Based on 1142 resolved cases, 2023–2026

Rejection Statute Breakdown

1.0%
§101 Eligibility
17.8%
§102 Novelty
42.1%
§103 Obviousness
34.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18013028 GROUT APPLICATOR AND METHOD FOR GROUT APPLICATION Final Rejection Illinois Tool Works Inc.
19137668 TRAVEL DEVICE, TUNNEL BORING MACHINE, TRAILING CAR, TRANSPORT VEHICLE, TUNNEL BORING SYSTEM, AND MOVEMENT METHOD Non-Final OA KOMATSU LTD.
19218755 METHOD FOR OPERATING A GROUND MILLING MACHINE Non-Final OA Wirtgen GmbH

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Frequently Asked Questions

What is examiner Sean D Andrish's allowance rate?

71.5% of resolved applications examined by Sean D Andrish were allowed (1,142 resolved cases), compared with 65.2% across Art Unit 3672 over the last five years.

Does an interview help with examiner Sean D Andrish?

This examiner's interview lift is +32.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Sean D Andrish take to allow a patent?

Applications allowed by Sean D Andrish took 849 days on average from filing to allowance.

Which art unit does examiner Sean D Andrish work in?

Sean D Andrish examines applications in Art Unit 3672 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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