Prosecution Insights
Last updated: October 02, 2026

Examiner: LEE, CHIHYI NMN

Tech Center 1600 • Art Units: 1628

This examiner grants 34% of resolved cases

Analysis

Chihyi Nmn Lee works in Tech Center 1600 and Art Unit 1628. The examiner has 86 resolved cases with an allowance rate of 33.7 percent. This low rate suggests a challenging environment for applicants. Practitioners should be prepared for a rigorous examination process given the 33.7 percent allowance rate.

The interview lift is 60.8 percent. This is an exceptionally high lift, indicating that interviews are the most effective way to improve the chances of allowance. An interview can nearly double the probability of success compared to the base rate. The 60.8 percent lift is the most critical strategic tool for navigating prosecution in Art Unit 1628.

The median days to allowance is 1294. This duration is standard for Tech Center 1600. Given the low base allowance rate and the high interview lift, practitioners should prioritize direct communication with the examiner. The 1294-day median pendency and 86 resolved cases provide a clear view of the challenges and opportunities in this profile.

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

Performance Statistics

33.7%
Allow Rate
-26.3% vs TC avg
154
Total Applications
+60.8%
Interview Lift
1294
Avg Prosecution Days
Based on 86 resolved cases, 2023–2026

Rejection Statute Breakdown

2.3%
§101 Eligibility
15.0%
§102 Novelty
34.1%
§103 Obviousness
28.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18273942 SMALL MOLECULE INHIBITORS OF GRP78 AND USES THEREOF Final Rejection The Regents of the University of Michigan
18003807 COMPOUNDS AND METHODS OF PROMOTING OLIGODENDROCYTE PRECURSOR DIFFERENTIATION Non-Final OA The Cleveland Clinic Foundation
17761902 MLL1 INHIBITORS AND ANTI-CANCER AGENTS Non-Final OA NOVARTIS AG
18749726 Combination Therapy for Treating or Preventing Depression or Other Mood Diseases Non-Final OA United States Government as represented by the Department of Veterans Affairs
18483225 Combination Therapy for Treating or Preventing Depression or Other Mood Diseases Final Rejection The United States Government as represented by the Department of Veterans Affairs
18330100 PYRIDINAMINE DERIVATIVES AND THEIR USE AS POTASSIUM CHANNEL MODULATORS Final Rejection Xenon Pharmaceuticals Inc.
18210991 NEW ARYL-PYRIDO-PYRIMIDIN-ONE DERIVATIVES Final Rejection Hoffmann-La Roche Inc.
17558402 Polyphenols as Modulators of Platelet Function Non-Final OA The Brigham and Women's Hospital, Inc.
18794153 Methods for Treating Traumatic Brain Injury Non-Final OA The Government of the United States, as Represented by the Secretary of the Army
17424979 USE OF MIGALOSTAT IN REDUCING THE RISK OF CEREBROVASCULAR EVENT IN PATIENTS WITH FABRY DISEASE Final Rejection Amicus Therapeutics, Inc.
18675614 5-METHOXY-N,N-DIMETHYLTRYPTAMINE (5-MEO-DMT) FOR TREATING DEPRESSION Final Rejection GH RESEARCH IRELAND LIMITED
18342239 METHODS OF PREPARING HETEROARYL-KETONE FUSED AZADECALIN GLUCOCORTICOID RECEPTOR MODULATORS Non-Final OA CORCEPT THERAPEUTICS INCORPORATED
18263293 TYK2 INHIBITOR COMPOUND CONTAINING BICYCLIC RING Final Rejection CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD.
18141128 INDUCTION OF IMMUNE TOLERANCE BY USING METHOTREXATE Final Rejection Genzyme Corporation
18253061 N-(2,3-DIHYDRO-1,4-BENZOXAZIN-4-YL)-3-ISOPROPYL-7-(2,3,5-TRIFLUOROPHENYL)BENZO-THIOPHENE-2-CARBOXAMIDE DERIVATIVES AND SIMILAR COMPOUNDS FOR THE TREATMENT OF HEARTWORM INFECTIONS Final Rejection ELANCO TIERGESUNDHEIT AG

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