Prosecution Insights
Last updated: October 02, 2026

Examiner: LEE, SIN J

Tech Center 3700 • Art Units: 1613 1615 1722 1752 1795 3785

This examiner grants 69% of resolved cases

Analysis

Sin J Lee, in Tech Center 3700 and Art Unit 1613, has handled 1062 resolved cases. The allowance rate is 68.8 percent, which is a solid majority of cases. The interview lift is 25.4 percent, suggesting that interviews are highly effective in this docket.

The median days to allowance is 1026. This timeline is based on the 1062 resolved cases. The 68.8 percent allowance rate indicates a generally positive outlook for applicants, which is further enhanced by the 25.4 percent interview lift.

Practitioners should consider the 1026 median days to allowance when scheduling. The interview lift is a significant advantage for those who choose to interview. In Art Unit 1613, the resolved cases provide a reliable indicator of the examiner's typical outcome. This data suggests that proactive communication is a valuable strategy for applicants.

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

Performance Statistics

68.8%
Allow Rate
-1.2% vs TC avg
1,115
Total Applications
+25.1%
Interview Lift
1027
Avg Prosecution Days
Based on 1064 resolved cases, 2023–2026

Rejection Statute Breakdown

0.6%
§101 Eligibility
19.3%
§102 Novelty
47.7%
§103 Obviousness
20.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18028937 CANNABIS PLANT DERIVED EXTRACELLULAR VESICLES AND THERAPEUTIC METHODS USING THE SAME Final Rejection UNIVERSITY OF FLORIDA RESEARCH FOUNDATION, INCORPORATED
19544595 FORMULATIONS OF VIMSELTINIB Final Rejection Deciphera Pharmaceuticals, LLC
17762448 HYPOCHLORITE COMPOSITION AND SYSTEM AND METHOD FOR PREPARING A HYPOCHLORITE COMPOSITION AND USE OF THE SAME Non-Final OA KONINKLIJKE PHILIPS N.V.
18289733 THERMOREVERSIBLE POLYMERS AND METHODS OF USE THEREOF Final Rejection The Regents of the University of California
17082929 5HT AGONISTS FOR TREATING DISORDERS Final Rejection The Regents of the University of California
18827625 STORAGE STABLE MIXTURES Non-Final OA DSM IP Assets B.V.
19104171 INDOLIUM-BASED STABILIZERS OF HYDROPHOBIC DRUGS Non-Final OA TECHNION RESEARCH & DEVELOPMENT FOUNDATION LTD.
18870008 COSMETIC HAIR TREATMENT PROCESS, COMPRISING A WASHING STEP, A STEP OF APPLYING A COSMETIC COMPOSITION COMPRISING AMINO ACIDS AND HYDROXYLATED (POLY)CARBOXYLIC ACIDS, AND THEN A CONDITIONING STEP Non-Final OA L'OREAL
18906267 Compositions Containing Trihydroxystearin and Oil For Inhibiting Trihydroxystearin Crystallization Non-Final OA L'OREAL
18825795 AQUEOUS FORMULATION COMPRISING 1-(4-{[4-(DIMETHYLAMINO)PIPERIDIN-1-YL]CARBONYL}PHENYL)-3-[4-(4,6-DIMORPHOLIN-4-YL-1,3,5-TRIAZIN-2-YL)PHENYL]UREA Non-Final OA PFIZER INC.
19028247 COMPLEXES FOR TREATING SENSITIVITY Non-Final OA THE UNIVERSITY OF MELBOURNE
18833519 NIRAPARIB AND ABIRATERONE ACETATE PLUS PREDNISONE TO IMPROVE CLINICAL OUTCOMES IN PATIENTS WITH METASTATIC CASTRATION-RESISTANT PROSTATE CANCER AND HRR ALTERATIONS Non-Final OA JANSSEN PHARMACEUTICA NV
17908035 COATED SPONGES Non-Final OA Dow Silicones Corporation
18028058 PHARMACEUTICAL FORMULATION Non-Final OA Agios Pharmaceuticals, Inc.
17997499 IONIC LIQUID AS AN ANTIPERSPIRANT Final Rejection Novigo GmbH

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