Prosecution Insights
Last updated: October 27, 2026

Lucy Minyu Tien, USPTO Patent Examiner

Listed by the USPTO as TIEN, LUCY MINYU

Tech Center 1600 • Art Units: 1612

This examiner grants 59% of resolved cases

Analysis

TIEN, LUCY MINYU works in USPTO tech center 1600 and art unit 1612. The record includes 88 resolved cases, an allowance rate of 59.1%, and a median of 1043 days to allowance. The interview lift is 36.8%, indicating a positive relationship between interviews and allowance outcomes. The case base is large enough to provide useful direction, while remaining narrower than a high-volume examiner record.

The leading companies are L'Oréal, Symrise AG, and Boehringer Ingelheim International GmbH. The listed firms are FOLEY HOAG, LLP (General), Crowell, and Kilpatrick Townsend & Stockton LLP - West Coast. The profile is especially relevant to chemical, formulation, and life sciences practitioners assessing whether direct examiner engagement should accompany written responses.

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

Performance Statistics

59.1%
Allow Rate
-0.9% vs TC avg
140
Total Applications
+36.8%
Interview Lift
1043
Avg Prosecution Days
Based on 88 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
6.2%
§102 Novelty
47.3%
§103 Obviousness
25.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17686880 PHARMACEUTICAL COMPOSITION, PHARMACEUTICAL DOSAGE FORM, PROCESS FOR THEIR PREPARATION, METHODS FOR TREATING AND USES THEREOF Final Rejection Boehringer Ingelheim International GmbH
18278907 MICRONEEDLE COMPOSITIONS AND METHODS OF DELIVERY USING THE SAME Non-Final OA MASSACHUSETTS INSTITUTE OF TECHNOLOGY
18915525 METHOD OF IMPROVING THE APPEARANCE OF SKIN Non-Final OA The Procter & Gamble Company
18711649 BIOCIDE COMPOSITIONS Non-Final OA BASF SE
18248862 POLYMER-CONJUGATED MICROBUBBLES FOR HIGH DRUG/GENE LOADING Final Rejection THE BOARD OF REGENTS OF THE UNIVERSITY OF TEXAS SYSTEM
18529500 USE OF A COMPOSITE MATERIAL Final Rejection Heraeus Medical GmbH
18680901 COMPOSITIONS AND METHODS FOR CLEANSING KERATIN MATERIALS Non-Final OA L'Oreal
18713830 AQUEOUS CARE AND/OR MAKEUP COMPOSITION COMPRISING A FATTY ACID MONOESTER, A NEUTRALIZED ANIONIC SURFACTANT, A VP/EICOSENE COPOLYMER, A SEMICRYSTALLINE POLYMER AND A LATEX Non-Final OA L'OREAL
18713833 AQUEOUS CARE AND/OR MAKEUP COMPOSITION COMPRISING A FATTY ACID MONOESTER, A NEUTRALIZED ANIONIC SURFACTANT, A VP/EICOSENE COPOLYMER AND A DYESTUFF Non-Final OA L'OREAL
18713856 HAIR CLEANSING COMPOSITION Final Rejection KAO CORPORATION
18301004 Compositions Comprising Lipophilic Compounds and One or More (Bio)-Alkanediols Non-Final OA Symrise AG
18009284 Compositions Comprising Lipophilic Compounds and One or More (Bio)-Alkanediols Final Rejection Symrise AG
18257160 STABLE PROLONGED RELEASE FORMULATION OF VITAMIN C AND A PROCESS FOR PREPARATION THEREOF Non-Final OA NUTRIVENTIA PRIVATE LIMITED

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Frequently Asked Questions

What is examiner Lucy Minyu Tien's allowance rate?

59.1% of resolved applications examined by Lucy Minyu Tien were allowed (88 resolved cases), compared with 40.7% across Art Unit 1612 over the last five years.

Does an interview help with examiner Lucy Minyu Tien?

This examiner's interview lift is +36.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Lucy Minyu Tien take to allow a patent?

Applications allowed by Lucy Minyu Tien took 1,043 days on average from filing to allowance.

Which art unit does examiner Lucy Minyu Tien work in?

Lucy Minyu Tien examines applications in Art Unit 1612 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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