Prosecution Insights
Last updated: October 26, 2026

Walter E Webb, USPTO Patent Examiner

Listed by the USPTO as WEBB, WALTER E

Tech Center 1600 • Art Units: 1600 1612 1658

This examiner grants 46% of resolved cases

Analysis

WEBB, WALTER E is assigned to art unit 1600 in tech center 1600. His record includes 1005 resolved cases, a 46.3% allowance rate, and a median of 1215 days to allowance. Interviews are associated with an 18.8% lift, supporting their use as one element of prosecution strategy while leaving substantial importance to claim drafting and written responses.

The leading companies are Colgate-Palmolive Company, L'Oréal, and The Procter & Gamble Company. The leading firms are Casimir Jones, S.C., ELMORE PATENT LAW GROUP, PC, and The Marbury Law Group, PLLC. This broad record gives practitioners a substantial historical reference for matters involving this art unit.

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

Performance Statistics

46.3%
Allow Rate
-13.7% vs TC avg
1,064
Total Applications
+18.8%
Interview Lift
1215
Avg Prosecution Days
Based on 1005 resolved cases, 2023–2026

Rejection Statute Breakdown

0.8%
§101 Eligibility
14.7%
§102 Novelty
52.1%
§103 Obviousness
16.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18941686 METHOD OF TREATING TEETH USING AN ORAL CARE ARTICLE COMPRISING A DELIVERY CARRIER AND SOLID HYDROPHILIC PARTICLES Non-Final OA The Procter & Gamble Company
18886278 Oral Care Compositions With Anticaries Activity Non-Final OA The Procter & Gamble Company
18788266 Fluoride-Free Anticavity Oral Care Compositions Non-Final OA The Procter & Gamble Company
18713364 METHOD OF PREPARING BIODEGRADABLE MICROCAPSULES BASED ON GELATINE Final Rejection SYNGENTA CROP PROTECTION AG
18294373 DEODORANT COMPOSITIONS Final Rejection Conopco, Inc., d/b/a UNILEVER

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Frequently Asked Questions

What is examiner Walter E Webb's allowance rate?

46.3% of resolved applications examined by Walter E Webb were allowed (1,005 resolved cases), compared with 37.3% across Art Unit 1600 over the last five years.

Does an interview help with examiner Walter E Webb?

This examiner's interview lift is +18.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Walter E Webb take to allow a patent?

Applications allowed by Walter E Webb took 1,215 days on average from filing to allowance.

Which art unit does examiner Walter E Webb work in?

Walter E Webb examines applications in Art Unit 1600 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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