Prosecution Insights
Last updated: October 27, 2026

Hoi Yan Nmn Lee, USPTO Patent Examiner

Listed by the USPTO as LEE, HOI YAN NMN

Tech Center 1700 • Art Units: 1623 1693 1759

This examiner grants 38% of resolved cases

Analysis

LEE, HOI YAN NMN has 88 resolved cases and a 37.5% allowance rate. The interview lift is 76.2%, and the median time to allowance is 1255 days. The profile is associated with Tech Center 1700 and Art Unit 1623. The interview lift is the strongest feature of the reported record, indicating that interviews may be especially important when addressing claim issues. The 37.5% allowance rate and 1255-day median also support careful planning for persistence and timing.

The listed companies are The Brigham and Women's Hospital Inc., CJ CheilJedang Corporation, and IFP Energies nouvelles. The leading firms are Ipsilon USA - NLO, Leason Ellis LLP, and Baker Botts L.L.P. This applicant mix gives practitioners context for the biotechnology and chemical matters represented in the docket.

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

Performance Statistics

37.5%
Allow Rate
-27.5% vs TC avg
160
Total Applications
+76.2%
Interview Lift
1255
Avg Prosecution Days
Based on 88 resolved cases, 2023–2026

Rejection Statute Breakdown

3.1%
§101 Eligibility
16.6%
§102 Novelty
41.9%
§103 Obviousness
18.0%
§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
18334457 LIQUID COMPOSITION Final Rejection Shin-Etsu Chemical Co., Ltd.
17606441 STABILIZATION AND PRESERVATION OF IN VITRO TRANSCRIPTION REACTIONS Final Rejection President and Fellows of Harvard College
17283728 ENZYMATIC RNA SYNTHESIS Non-Final OA President and Fellows of Harvard College
17995264 PREPARATION FOR USE AS VASORELAXANT Non-Final OA Evonik Operations GmbH
18708483 ANTIVIRAL AGENT Non-Final OA NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY
17293632 METHODS OF TREATMENT FOR CYSTIC FIBROSIS Final Rejection VERTEX PHARMACEUTICALS INCORPORATED
19003429 COMPOSITIONS AND METHODS FOR PREVENTING AND TREATING NEURODEGENERATIVE DISEASES WITH DIABETES Non-Final OA ARIBIO CO., LTD.
17580129 METHODS TO PREVENT, INHIBIT OR TREAT INTERVERTEBRAL DISC DEGENERATION Final Rejection University of Iowa Research Foundation

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Frequently Asked Questions

What is examiner Hoi Yan Nmn Lee's allowance rate?

37.5% of resolved applications examined by Hoi Yan Nmn Lee were allowed (88 resolved cases), compared with 51.3% across Art Unit 1623 over the last five years.

Does an interview help with examiner Hoi Yan Nmn Lee?

This examiner's interview lift is +76.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Hoi Yan Nmn Lee take to allow a patent?

Applications allowed by Hoi Yan Nmn Lee took 1,255 days on average from filing to allowance.

Which art unit does examiner Hoi Yan Nmn Lee work in?

Hoi Yan Nmn Lee examines applications in Art Unit 1623 in Tech Center 1700 (Chemistry & Materials).

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