Prosecution Insights
Last updated: October 26, 2026

David Roger Foss, USPTO Patent Examiner

Listed by the USPTO as FOSS, DAVID ROGER

Tech Center 1700 • Art Units: 1732 1764

This examiner grants 74% of resolved cases

Analysis

FOSS, DAVID ROGER has resolved 132 cases in tech center 1700 and art unit 1732. The allowance rate is 74.2%, and the median time to allowance is 1244 days. The record shows an allowance outcome above half of resolved cases, alongside a lengthy median timeline that can influence continuation and portfolio decisions.

Interviews are associated with a 33.9% lift in allowance outcomes. Merck Patent GmbH, Shofu Inc., and Kaneka Corporation are the leading companies listed. BRADLEY ARANT BOULT CUMMINGS LLP, FAEGRE DRINKER BIDDLE & REATH LLP (DC), and GREENBLUM & BERNSTEIN, P.L.C. are the leading firms shown. Interview preparation may warrant deliberate attention in this docket.

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

Performance Statistics

74.2%
Allow Rate
+9.2% vs TC avg
164
Total Applications
+33.9%
Interview Lift
1244
Avg Prosecution Days
Based on 132 resolved cases, 2023–2026

Rejection Statute Breakdown

0.7%
§101 Eligibility
16.6%
§102 Novelty
48.8%
§103 Obviousness
26.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18550587 MULTI-PITCH TOLERABLE BLOCK COPOLYMERS WITH ENHANCED KINETICS FOR DIRECTED SELF-ASSEMBLY APPLICATIONS Non-Final OA Merck Patent GmbH
18280690 POLYUREA COPOLYMER Non-Final OA BASF SE
18570750 RADICALLY POLYMERIZABLE RESIN COMPOSITION Non-Final OA Resonac Corporation
18577766 UNSATURATED POLYESTER COMPOSITIONS FOR METAL PACKAGING COATINGS Non-Final OA Eastman Chemical Company
18556107 CURE OF ANHYDRIDE FUNCTIONALIZED POLYMERS WITH EPOXYSILANES Non-Final OA Dow Global Technologies 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 Roger Foss's allowance rate?

74.2% of resolved applications examined by David Roger Foss were allowed (132 resolved cases), compared with 53.6% across Art Unit 1732 over the last five years.

Does an interview help with examiner David Roger Foss?

This examiner's interview lift is +33.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner David Roger Foss take to allow a patent?

Applications allowed by David Roger Foss took 1,244 days on average from filing to allowance.

Which art unit does examiner David Roger Foss work in?

David Roger Foss examines applications in Art Unit 1732 in Tech Center 1700 (Chemistry & Materials).

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