Prosecution Insights
Last updated: October 02, 2026

Examiner: CULBERT, ROBERTS P

Tech Center 2800 • Art Units: 1716 1724 1743 1792 2812

This examiner grants 82% of resolved cases

Performance Statistics

81.5%
Allow Rate
+13.5% vs TC avg
843
Total Applications
-3.3%
Interview Lift
876
Avg Prosecution Days
Based on 826 resolved cases, 2023–2026

Rejection Statute Breakdown

0.9%
§101 Eligibility
33.6%
§102 Novelty
45.0%
§103 Obviousness
9.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18889658 POLISHING COMPOSITIONS AND METHODS OF USE THEREOF Non-Final OA Fujifilm Electronic Materials U.S.A., Inc.
18640071 FABRICATION OF REFLECTIVE POLYMER WAVEGUIDE MOLD Non-Final OA GOOGLE LLC
18028808 SEMICONDUCTOR DEVICE MANUFACTURING METHOD, AND SEMICONDUCTOR DEVICE Non-Final OA Mitsubishi Electric Corporation
18896372 ETCHING METHOD Non-Final OA Hitachi High-Tech Corporation
18237628 ALUMINUM OXIDE CARBON HYBRID HARDMASKS AND METHODS FOR MAKING THE SAME Non-Final OA Applied Materials, Inc.
18236042 METHODS OF ETCHING SILICON-AND-OXYGEN-CONTAINING FEATURES AT LOW TEMPERATURES Final Rejection Applied Materials, Inc.
18212314 INCREASED ETCH RATES OF SILICON-CONTAINING MATERIALS Non-Final OA Applied Materials, Inc.
18855160 SUBSTRATE PROCESSING APPARATUS AND SUBSTRATE PROCESSING METHOD Non-Final OA Tokyo Electron Limited
18733473 SYSTEMS AND METHODS THAT UTILIZE METAL-COATED PROCESSING HEADS TO IMPROVE WET PROCESSING OF SEMICONDUCTOR SUBSTRATES Final Rejection Tokyo Electron Limited
18341239 SUBSTRATE PROCESSING APPARATUS, METHOD OF PROCESSING SUBSTRATE, METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE, CLEANING METHOD, AND RECORDING MEDIUM Non-Final OA Kokusai Electric Corporation
18732471 TREATMENT LIQUID Final Rejection Tokyo Ohka Kogyo Co., Ltd.
18122961 SULFONIC ACID-MODIFIED COLLOIDAL SILICA Non-Final OA FUJIMI INCORPORATED

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