Prosecution Insights
Last updated: October 26, 2026

Brian James Sullivan, USPTO Patent Examiner

Listed by the USPTO as SULLIVAN, BRIAN JAMES

Tech Center 1600 • Art Units: 1663

This examiner grants 76% of resolved cases

Analysis

SULLIVAN, BRIAN JAMES is assigned to tech center 1600 and art unit 1663. The profile records 183 resolved cases, an allowance rate of 76.5%, and a median of 937 days to allowance. The allowance figure indicates generally favorable outcomes in the available record, while the median shows that prosecution normally requires a meaningful period before allowance. The case volume offers useful context but does not replace review of the individual file.

The interview lift is 14.9%, providing a moderate basis for considering interviews in prosecution planning. Pioneer Hi-bred International Inc., Inari Agriculture Technology Inc., and Syngenta AG are the listed companies. MCKEE, VOORHEES & SEASE, P.L.C., MARSHALL, GERSTEIN & BORUN LLP, and MCCARTER & ENGLISH, LLP BOSTON are the listed firms.

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

Performance Statistics

76.5%
Allow Rate
+16.5% vs TC avg
221
Total Applications
+14.9%
Interview Lift
937
Avg Prosecution Days
Based on 183 resolved cases, 2023–2026

Rejection Statute Breakdown

6.5%
§101 Eligibility
12.7%
§102 Novelty
26.5%
§103 Obviousness
41.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17437929 METHOD OF INCREASING RESISTANCE AGAINST SOYBEAN RUST IN TRANSGENIC PLANTS BY EXPRESSION OF A SUGAR TRANSPORTER Non-Final OA BASF SE
19082425 SOYBEAN VARIETY Non-Final OA SYNGENTA CROP PROTECTION AG

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Frequently Asked Questions

What is examiner Brian James Sullivan's allowance rate?

76.5% of resolved applications examined by Brian James Sullivan were allowed (183 resolved cases), compared with 66.1% across Art Unit 1663 over the last five years.

Does an interview help with examiner Brian James Sullivan?

This examiner's interview lift is +14.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Brian James Sullivan take to allow a patent?

Applications allowed by Brian James Sullivan took 937 days on average from filing to allowance.

Which art unit does examiner Brian James Sullivan work in?

Brian James Sullivan examines applications in Art Unit 1663 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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