Prosecution Insights
Last updated: October 02, 2026

Examiner: LEE, HOI YAN NMN

Tech Center 1600 • Art Units: 1623 1693

This examiner grants 38% of resolved cases

Analysis

Examiner HOI YAN NMN LEE is assigned to Tech Center 1600 and Art Unit 1623. The examiner has reached a final resolution on 83 cases. The data shows an allowance rate of 39.8 percent, which represents the proportion of applications that result in a patent grant rather than an abandonment. This rate provides a primary indicator of the likelihood of success for an application assigned to this examiner in Art Unit 1623.

The median days to allowance for this examiner is 1236. This figure represents the middle point of the time distribution for applications that successfully result in a patent grant. A median of 1236 days offers a specific timeline for practitioners to consider when managing client expectations and filing strategies. Understanding this duration is essential for navigating the procedural requirements of Tech Center 1600.

The interview lift is 75.4 percent. This figure quantifies the change in the probability of allowance when an interview is conducted during the prosecution process. A lift of 75.4 percent suggests that verbal communication with the examiner may significantly influence the final outcome of a case. For the 83 resolved cases analyzed, this statistic serves as a tool for determining whether to request a formal interview.

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

Performance Statistics

38.4%
Allow Rate
-21.6% vs TC avg
153
Total Applications
+75.9%
Interview Lift
1245
Avg Prosecution Days
Based on 86 resolved cases, 2023–2026

Rejection Statute Breakdown

2.9%
§101 Eligibility
16.4%
§102 Novelty
41.9%
§103 Obviousness
17.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17297586 D-PSICOSE CRYSTAL AND PREPARATION METHOD THEREFOR Non-Final OA CJ CHEILJEDANG CORPORATION
17621987 LIQUID PHASE SEPARATION OF 2G SUGARS BY ADSORPTION ON A FAU ZEOLITE HAVING A SI/AL ATOMIC RATIO GREATER THAN 1.5 Final Rejection IFP Energies nouvelles
18695914 DERIVATIVES FROM 2,5,6-TRIMETHYLCYCLOHEX-2-EN-1-OL AS AROMA INGREDIENTS Non-Final OA BASF SE
17283728 ENZYMATIC RNA SYNTHESIS Non-Final OA President and Fellows of Harvard College
18045744 COMPOSITIONS AND METHODS FOR PREDICTING THERAPEUTIC OUTCOME Non-Final OA Washington University
18696438 BACTERIAL CAPSULAR OLIGOSACCHARIDE DERIVATIVE, PREPARATION METHOD THEREFOR, PHARMACEUTICAL COMPOSITION AND USE THEREOF Non-Final OA PEKING UNIVERSITY
18011341 SAPONIN CONTAINING EXTRACTS PREPARED FROM HESPERALOE USEFUL IN THE TREATMENT OF NON-HUMAN ANIMALS Non-Final OA KIMBERLY-CLARK WORLDWIDE, INC.
17995264 PREPARATION FOR USE AS VASORELAXANT Non-Final OA Evonik Operations GmbH
18334457 LIQUID COMPOSITION Final Rejection Shin-Etsu Chemical Co., Ltd.
17925180 OLEOGEL AND OLEOPASTE COMPOSITIONS AND USES THEREOF Non-Final OA The Brigham and Women's Hospital, Inc.
17427502 DEUTERATED MITRAGYNINE ANALOGS AS SAFER OPIOID MODULATORS IN THE MITRAGYNINE CLASS Final Rejection Sloan-Kettering Institute for Cancer Research
19003429 COMPOSITIONS AND METHODS FOR PREVENTING AND TREATING NEURODEGENERATIVE DISEASES WITH DIABETES Non-Final OA ARIBIO CO., LTD.
18577948 MULTIPLEXING TARGETING LIGANDS THROUGH CLICK CHEMISTRY AT THE ANOMERIC SITE OF SUGARS Non-Final OA ALNYLAM PHARMACEUTICALS, INC.
18030186 HELICASE INHIBITORS FOR TREATMENT OF MEDICAL DISORDERS Non-Final OA H. LEE MOFFITT CANCER CENTER AND RESEARCH INSTITUTE, INC.
17629598 BIOACTIVE SAPONIN LINKED TO A FUNCTIONAL MOIETY Final Rejection Sapreme Technologies B.V.

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