Prosecution Insights
Last updated: October 27, 2026

Hong Thi Yoo, USPTO Patent Examiner

Listed by the USPTO as YOO, HONG THI

Tech Center 1700 • Art Units: 1621 1784 1789 1792 1793 1794

This examiner grants 46% of resolved cases

Analysis

YOO, HONG THI is assigned to tech center 1700 and art unit 1621. Her profile covers 759 resolved cases, with an allowance rate of 46.0% and a median of 1268 days to allowance. The interview lift is 25.3%, indicating a positive association with allowance outcomes.

Nestlé, Suntory Holdings, and Givaudan are the listed companies. The listed firms are K&L Gates LLP-Nestec S.A., CURATOLO SIDOTI & TRILLIS CO., LPA, and Knobbe, Martens, Olson & Bear, LLP. Interviews may help move cases forward, but applicants should plan for extended prosecution and a moderate allowance record.

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

Performance Statistics

46.0%
Allow Rate
-19.0% vs TC avg
801
Total Applications
+25.3%
Interview Lift
1268
Avg Prosecution Days
Based on 759 resolved cases, 2023–2026

Rejection Statute Breakdown

2.1%
§101 Eligibility
15.3%
§102 Novelty
48.2%
§103 Obviousness
28.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18843278 COMPOSITIONS AND METHODS TO POTENTIATE MUSCULOSKELETAL EFFECT OF ONE OR MORE ANABOLIC AMINO ACIDS ON BONE HEALTH Non-Final OA SOCIETE DES PRODUITS NESTLE S.A.
18722832 SHELF-STABLE FERMENTED PLANT-BASED FOOD PRODUCT PACKAGED IN A FLEXIBLE CONTAINER AND PROCESS FOR PRODUCING SUCH PRODUCT Non-Final OA SOCIETE DES PRODUITS NESTLE S.A.
18720719 SECRETORY IGA-BIOTIC COMPLEXES AND USES THEREOF Final Rejection SOCIETE DES PRODUITS NESTLE S.A.
18700600 NUTRITIONAL COMPOSITION FOR IMPROVING SLEEP Non-Final OA SOCIETE DES PRODUITS NESTLE S.A.
18257330 SYNTHETIC NUTRITIONAL COMPOSITIONS TAILORED FOR CHINESE INFANTS Final Rejection SOCIETE DES PRODUITS NESTLE S.A.
18002750 FERMENTED BEVERAGE COMPOSITION Final Rejection SOCIETE DES PRODUITS NESTLE S.A.
17686054 COMPOSITIONS AND METHODS TO POTENTIATE MUSCULOSKELETAL EFFECT OF ONE OR MORE ANABOLIC AMINO ACIDS ON BONE HEALTH Non-Final OA SOCIETE DES PRODUITS NESTLE S.A.
18691270 COFFEE BEANS AND METHOD FOR PRODUCING COFFEE BEANS Final Rejection SUNTORY HOLDINGS LIMITED
18029279 CONTAINER-PACKED CARBONATED BEVERAGE Final Rejection SUNTORY HOLDINGS LIMITED
17925729 METHOD FOR PRODUCING ALCOHOL-CONTAINING GREEN COFFEE BEANS Non-Final OA SUNTORY HOLDINGS LIMITED
18741853 Mix of specific Bifidobacterium species and specific non-digestible oligosaccharides Non-Final OA N.V. Nutricia
17611197 Composition comprising vitamin A and non digestible oligosaccharides Final Rejection N.V. Nutricia
17277827 POLYMETHOXYFLAVONES AND THEIR USE AS MOUTHFEEL ENHANCERS AND BITTERNESS MASKERS Final Rejection Firmenich SA
18633492 COMPOSITIONS Final Rejection GIVAUDAN SA
18698892 COMPOSITIONS AND CONSUMABLES INCLUDING SAME Non-Final OA GIVAUDAN SA
18004090 COMPOSITION Final Rejection Givaudan SA
18715600 COARSE FIBER COMPOSITION Non-Final OA DUYNIE HOLDING BV
18421313 RAPID ONSET CANNABINOID COMPOSITIONS Final Rejection PAX LABS, INC.

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Frequently Asked Questions

What is examiner Hong Thi Yoo's allowance rate?

46.0% of resolved applications examined by Hong Thi Yoo were allowed (759 resolved cases), compared with 46.0% across Art Unit 1621 over the last five years.

Does an interview help with examiner Hong Thi Yoo?

This examiner's interview lift is +25.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Hong Thi Yoo take to allow a patent?

Applications allowed by Hong Thi Yoo took 1,268 days on average from filing to allowance.

Which art unit does examiner Hong Thi Yoo work in?

Hong Thi Yoo examines applications in Art Unit 1621 in Tech Center 1700 (Chemistry & Materials).

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