Prosecution Insights
Last updated: October 26, 2026

Brian M Gulledge, USPTO Patent Examiner

Listed by the USPTO as GULLEDGE, BRIAN M

Tech Center 1600 • Art Units: 1600 1611 1612 1619 1628 1637 1699

This examiner grants 56% of resolved cases

Analysis

GULLEDGE, BRIAN M is a USPTO patent examiner in tech center 1600 and art unit 1600. The profile records 964 resolved cases, an allowance rate of 55.9%, and an interview lift of 26.2%. The median time to allowance is 1230 days. The allowance measure reflects outcomes across a substantial examination record, and the interview measure shows a positive association with allowance in the recorded cases. The median timeline suggests that applicants should build meaningful prosecution time into development and licensing schedules.

The leading companies are The Regents of the University of California, Bristol-Myers Squibb Company, and The Procter & Gamble Company. The leading firms are ALIX, YALE & RISTAS, LLP, ARENTFOX SCHIFF LLP, and BakerHostetler. The portfolio mix includes university, pharmaceutical, and consumer products work. Counsel may therefore need to adapt prosecution presentations to different technical and ownership settings while maintaining clear claim support. Interviews appear worth considering as part of a broader response strategy.

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

Performance Statistics

55.9%
Allow Rate
-4.1% vs TC avg
1,000
Total Applications
+26.2%
Interview Lift
1230
Avg Prosecution Days
Based on 964 resolved cases, 2023–2026

Rejection Statute Breakdown

1.7%
§101 Eligibility
13.3%
§102 Novelty
49.7%
§103 Obviousness
21.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18522301 Silicone Mixture for Hair Conditioning Final Rejection The Procter & Gamble Company
18700749 CELLULOSE NANOCRYSTAL STABILIZED CHEMICAL COMPOSITION Non-Final OA SYNGENTA CROP PROTECTION AG
18844688 A DRUG NANOCARRIER SYSTEM TO DELIVER A COMBINATION OF TLR AGONISTS AND/OR A LIPOXIN PLUS IMMUNOGENIC CELL DEATH INDUCING CHEMOTHERAPEUTIC AGENTS FOR CANCER IMMUNOTHERAPY Non-Final OA The Regents of the University of California
18250727 SILICASOME NANOCARRIER FOR METAL-BASED DRUG DELIVERY Non-Final OA The Regents of the University of California
18564278 OIL GELLING AGENT AND COSMETIC Non-Final OA SHIN-ETSU CHEMICAL CO., LTD.
18271131 SPRAY-TYPE HYDROGEL Final Rejection SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
18656153 Method Of Using/Applying A Keratin Hydrolysis Peptide Solution To Promote The Growth Of Tomato Under Low Light Condition Non-Final OA CH Biotech R&D Co., Ltd.
18783184 LIQUID PEARLESCENT COMPOSITION Final Rejection SPECIALTY OPERATIONS FRANCE

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Frequently Asked Questions

What is examiner Brian M Gulledge's allowance rate?

55.9% of resolved applications examined by Brian M Gulledge were allowed (964 resolved cases), compared with 37.3% across Art Unit 1600 over the last five years.

Does an interview help with examiner Brian M Gulledge?

This examiner's interview lift is +26.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Brian M Gulledge take to allow a patent?

Applications allowed by Brian M Gulledge took 1,230 days on average from filing to allowance.

Which art unit does examiner Brian M Gulledge work in?

Brian M Gulledge examines applications in Art Unit 1600 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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