Prosecution Insights
Last updated: October 27, 2026

David Browe, USPTO Patent Examiner

Listed by the USPTO as BROWE, DAVID

Tech Center 1600 • Art Units: 1617 1632

This examiner grants 27% of resolved cases

Analysis

BROWE, DAVID examines in Tech Center 1600 and Art Unit 1617. His profile records 739 resolved cases, an allowance rate of 26.7%, and a median of 1428 days to allowance. Interviews show a 28.0% lift, making interview preparation a meaningful consideration even though the allowance result indicates substantial prosecution difficulty in the reported record.

The listed companies are Troy Corporation, Shandong University, and Syngenta AG. The associated firms are DORITY & MANNING, P.A., KLARQUIST SPARKMAN, LLP, and Arnold & Porter Kaye Scholer LLP. These organizations provide reference points for representative chemical and agricultural work, while the timing measure supports planning for prolonged prosecution.

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

Performance Statistics

26.7%
Allow Rate
-33.3% vs TC avg
802
Total Applications
+28.0%
Interview Lift
1428
Avg Prosecution Days
Based on 739 resolved cases, 2023–2026

Rejection Statute Breakdown

2.6%
§101 Eligibility
6.9%
§102 Novelty
46.6%
§103 Obviousness
32.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
16753567 IMPLANTABLE BIOREACTOR AND METHODS FOR MAKING AND USING SAME Final Rejection THE JOHNS HOPKINS UNIVERSITY
18703132 SUBSTITUTED BENZAMIDES AS HERBICIDES Non-Final OA SYNGENTA CROP PROTECTION AG
18314808 COMPOSITION FOR PENETRATING SUGAR BASED DELIVERY SYSTEM Final Rejection Evonik Operations GmbH
15621627 Glycosaminoglycan-Based Materials as an Engineered Biocompatible Cellular Matrix Non-Final OA Purdue Research Foundation
18642539 NANOFIBERS AND THEIR USE IN ENHANCING PARTICLE-BASED HYDROGEL SCAFFOLDS FOR REGENERATIVE MEDICINE AND TISSUE ENGINEERING Non-Final OA UNIVERSITY OF VIRGINIA PATENT FOUNDATION
18151932 IMPREGNATED COSMETIC ARTICLE WITH FIBERS AND SCREEN NET Final Rejection L'OREAL
18713537 METHOD FOR TREATING KERATIN SUBSTANCE OR FIBER FOR HEAD DECORATION PRODUCTS Non-Final OA KAO CORPORATION
18718737 LEVONORGESTREL BUTANOATE FORMULATION AND METHODS RELATING THERETO Non-Final OA SRI International
18015160 COMPOSITIONS WITH VIRUCIDAL AND/OR ANTIVIRAL ACTIVITY Non-Final OA SYMRISE AG
18327740 METHOD OF TREATING SCHIZOPHRENIA OR SCHIZOPHRENIFORM DISORDER Non-Final OA Curemark, LLC

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Who Appears Before This Examiner

Top companies before this examiner

Law firms appearing most often

Frequently Asked Questions

What is examiner David Browe's allowance rate?

26.7% of resolved applications examined by David Browe were allowed (739 resolved cases), compared with 34.1% across Art Unit 1617 over the last five years.

Does an interview help with examiner David Browe?

This examiner's interview lift is +28.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner David Browe take to allow a patent?

Applications allowed by David Browe took 1,428 days on average from filing to allowance.

Which art unit does examiner David Browe work in?

David Browe examines applications in Art Unit 1617 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month