Prosecution Insights
Last updated: October 02, 2026

Examiner: LI, SUN M

Tech Center 3700 • Art Units: 2121 3622 3626 3681 3682 3684 3685 3792

This examiner grants 53% of resolved cases

Analysis

Sun M. Li is an examiner in Tech Center 3700 and Art Unit 2121. He has 754 resolved cases. The allowance rate for these cases is 53.2 percent. This percentage represents the frequency of patent grants among his resolved matters. The interview lift is 27.7 percent. This metric measures the increase in the probability of allowance following an examiner interview. The median time to allowance is 1475 days.

With 754 resolved cases, the 53.2 percent allowance rate offers a clear view of the examiner's tendencies. The 27.7 percent interview lift indicates that direct communication is an effective strategy for applicants. The 1475 days median time to allowance is a key figure for planning the lifecycle of an application. These statistics help practitioners navigate the specific requirements of Art Unit 2121. The allowance rate and interview lift are the primary indicators of success in Tech Center 3700.

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

Performance Statistics

53.2%
Allow Rate
-16.8% vs TC avg
770
Total Applications
+27.7%
Interview Lift
1475
Avg Prosecution Days
Based on 754 resolved cases, 2023–2026

Rejection Statute Breakdown

35.5%
§101 Eligibility
18.1%
§102 Novelty
31.1%
§103 Obviousness
11.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19299648 INFORMATION PROCESSING METHOD Non-Final OA NEC Corporation
19298633 INFORMATION PROCESSING METHOD Non-Final OA NEC Corporation
19298520 INFORMATION PROCESSING METHOD Non-Final OA NEC Corporation
18364078 CHRONIC PULMONARY DISEASE PREDICTION FROM AUDIO INPUT BASED ON SHORT-WINDED BREATH DETERMINATION USING ARTIFICIAL INTELLIGENCE Non-Final OA SONY GROUP CORPORATION
18560148 Antibody Production Assisting Method and Antibody Production Assisting Program Non-Final OA SHIMADZU CORPORATION
18566868 INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND STORAGE MEDIUM Non-Final OA RIKEN
18172734 METHODS AND SYSTEMS FOR PREDICTING AN ORIGIN OF A VARIANT Non-Final OA GUARDANT HEALTH, INC.
18246372 METHOD AND SYSTEM FOR EARLY EFFICIENT DETECTION OF CO-EVOLUTIONARY SITES IN EVOLVING BIO-NETWORKS Non-Final OA UNIVERSITY OF VIRGINIA PATENT FOUNDATION

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