Prosecution Insights
Last updated: October 02, 2026

Examiner: TAN, DING Y

Tech Center 4100 • Art Units: 2834 3632 3637 3795 4100

This examiner grants 76% of resolved cases

Analysis

Ding Y. Tan has resolved 267 cases in Art Unit 2834. The allowance rate is 76.0 percent, suggesting a favorable environment for applicants. The median days to allowance is 783, which indicates a relatively fast resolution process. This 783-day figure is a key benchmark for prosecution in Tech Center 4100.

The interview lift of 17.6 percent is a positive indicator. It suggests that direct communication can further improve the 76.0 percent likelihood of an allowance. Practitioners can use the 783-day median as a reliable expectation for the timing of a grant. With 267 cases resolved, the examiner's profile is well-defined. The 17.6 percent lift provides a clear incentive for engaging in an interview to secure a positive outcome. Direct engagement is a recommended strategy.

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

Performance Statistics

76.0%
Allow Rate
+16.0% vs TC avg
284
Total Applications
+17.6%
Interview Lift
783
Avg Prosecution Days
Based on 267 resolved cases, 2023–2026

Rejection Statute Breakdown

0.1%
§101 Eligibility
28.9%
§102 Novelty
51.1%
§103 Obviousness
18.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18942260 DISPLAY DEVICE Non-Final OA LG ELECTRONICS INC.
19071144 SUPPORT DEVICE FOR CATHETER OR INJECTION LINE Non-Final OA Boston Scientific Scimed, Inc.
18962438 DEVICES, SYSTEMS, AND METHODS FOR HANGING FLUID RESERVOIRS IN SYSTEMS TO SUPPLY FLUIDS TO AN ENDOSCOPE Non-Final OA Boston Scientific Scimed, Inc.
18808911 Retainer Fingers for Retaining Tubes of Different Sizes Final Rejection Illinois Tool Works Inc.
18647729 COMPLIANT MOUNTS FOR A DISPLAY BACK LIGHT UNIT Final Rejection GOOGLE LLC
19209352 SYSTEMS AND ASSEMBLIES FOR IMAGING AN UNDERWATER ENVIRONMENT Non-Final OA Navico Group Americas, LLC
19016472 SPRING CLAMPS AND RELATED METHODS FOR CLAMPING FORCE DISTRIBUTION AND RETENTION Non-Final OA The Board of Regents of the University of Oklahoma
18904698 SYSTEM FOR MOUNTING SOLAR PANELS Non-Final OA The Board of Regents of the University of Oklahoma

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