Prosecution Insights
Last updated: August 18, 2026

Examiner: CULBERT, ROBERTS P

Tech Center 2800 • Art Units: 1716 1743 1792 2812

This examiner grants 82% of resolved cases

Performance Statistics

81.6%
Allow Rate
+13.6% vs TC avg
840
Total Applications
-3.9%
Interview Lift
874
Avg Prosecution Days
Based on 820 resolved cases, 2023–2026

Rejection Statute Breakdown

0.9%
§101 Eligibility
34.0%
§102 Novelty
44.4%
§103 Obviousness
9.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18640071 FABRICATION OF REFLECTIVE POLYMER WAVEGUIDE MOLD Non-Final OA GOOGLE LLC
18624450 Etching Compositions Non-Final OA Fujifilm Electronic Materials U.S.A., Inc.
18790894 ATOMIC LAYER ETCHING PROCESSES Non-Final OA ASM IP Holding B.V.
18028808 SEMICONDUCTOR DEVICE MANUFACTURING METHOD, AND SEMICONDUCTOR DEVICE Non-Final OA Mitsubishi Electric Corporation
18236042 METHODS OF ETCHING SILICON-AND-OXYGEN-CONTAINING FEATURES AT LOW TEMPERATURES Final Rejection Applied Materials, Inc.
18232991 METHODS OF ETCHING OXYGEN-CONTAINING FEATURES AT LOW TEMPERATURES Non-Final OA Applied Materials, Inc.
18212314 INCREASED ETCH RATES OF SILICON-CONTAINING MATERIALS Final Rejection Applied Materials, Inc.
18626025 HIGH ENERGY ATOMIC LAYER ETCHING Non-Final OA Lam Research Corporation
18202872 ETCHING GAS COMPOSITION, SUBSTRATE PROCESSING APPARATUS, AND PATTERN FORMING METHOD USING THE ETCHING GAS COMPOSITION Non-Final OA SEMES CO., LTD.
18189427 ETCHING GAS COMPOSITION, SUBSTRATE PROCESSING APPARATUS, AND PATTERN FORMING METHOD USING THE SAME Non-Final OA SEMES CO., LTD.

Facing This Examiner?

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

Build Your Strategy

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