Prosecution Insights
Last updated: October 02, 2026

Examiner: LING, DORIS

Tech Center 4100 • Art Units: 1761 1764 1767 1788 3783 4100

This examiner grants 25% of resolved cases

Analysis

Doris Ling is an examiner in Tech Center 4100 and Art Unit 1761, with 24 resolved cases. The examiner's allowance rate is 25.0 percent, which suggests a rigorous examination process. This 25.0 percent rate indicates that one-fourth of the 24 cases result in a grant, requiring applicants to be well-prepared for prosecution. The 25.0 percent figure is a key metric for assessing difficulty.

The interview lift for this examiner is 27.3 percent. This figure shows that direct communication is a strategy that raises the chances of overcoming rejections compared to the 25.0 percent baseline. Applicants may find that the 27.3 percent lift justifies the effort required to prepare for and conduct an interview. The data from 24 cases supports the use of interviews to improve outcomes.

The median days to allowance is 1332 days. This 1332-day figure reflects the prosecution process for the cases that eventually reach allowance. The combination of a 25.0 percent allowance rate and a 1332-day median suggests that the process leads to a successful outcome within a specific timeframe in Art Unit 1761. The 1332-day duration is a benchmark for pendency.

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

Performance Statistics

25.0%
Allow Rate
-35.0% vs TC avg
58
Total Applications
+27.3%
Interview Lift
1332
Avg Prosecution Days
Based on 24 resolved cases, 2023–2026

Rejection Statute Breakdown

1.4%
§101 Eligibility
12.6%
§102 Novelty
58.0%
§103 Obviousness
20.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18291135 REACTION CURABLE COMPOSITION Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
18387887 MARINE REPAIR COMPOSITION Non-Final OA Illinois Tool Works Inc.
18690565 FLUORORUBBER COMPOSITION Non-Final OA NOK CORPORATION
18538133 Compositions for Ophthalmologic Devices Non-Final OA Johnson & Johnson Vision Care, Inc.
18557204 Rubber Component With Reduced Drug Potency Loss for Syringe Stopper and Container Closure System Applications Non-Final OA Becton, Dickinson and Company
17646648 PASTE COMPRISING AMORPHOUS CALCIUM CARBONATE AND DRY 3D MODELS PREPARED THEREFROM Final Rejection Technion Research and Development Foundation Ltd
17681541 LIGHTWEIGHT LIQUID METAL EMBEDDED ELASTOMER COMPOSITE Non-Final OA BOARD OF REGENTS OF THE UNIVERSITY OF NEBRASKA
18698335 FIBER-REINFORCED THERMOPLASTIC RESIN COMPOSITION Non-Final OA Toray Industries, Inc.
17773119 MOLDING MATERIAL AND MOLDED ARTICLE Final Rejection TORAY INDUSTRIES, INC.
18514092 ADHESIVE TAPE Non-Final OA Berry Global, Inc.
18688636 ORGANOPOLYSILOXANE COMPOUND, ROOM TEMPERATURE-CURABLE ORGANOPOLYSILOXANE COMPOSITION, AND ARTICLE Non-Final OA SHIN-ETSU CHEMICAL CO., LTD.
17926483 THERMALLY CONDUCTIVE SILICONE COMPOSITION, PRODUCTION METHOD FOR SAME, AND SEMICONDUCTOR DEVICE Non-Final OA Shin-Etsu Chemical Co., Ltd.
18266010 HIGHLY TRACK RESISTANT POLYETHYLENE COMPOSITIONS FOR WIRE AND CABLE APPLICATIONS Final Rejection Borealis AG
18577687 Biobased Core-Shell Microcapsules Non-Final OA Symrise AG
18013559 MICROCAPSULE TYPE POLYCARBOXYLATE SUPERPLASTICIZER AND PREPARATION METHOD THEREFOR Final Rejection Nanjing Bote New Materials 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