Prosecution Insights
Last updated: October 27, 2026

Hong Yu, USPTO Patent Examiner

Listed by the USPTO as YU, HONG

Tech Center 3700 • Art Units: 1612 1613 1614 1616 3774

This examiner grants 31% of resolved cases

Analysis

YU, HONG examines in Tech Center 3700, Art Unit 1612. The profile records 700 resolved cases and a 31.1% allowance rate. Interviews are associated with a 5.7% lift in allowance outcomes. The median days to allowance are 1337, indicating that timing should be addressed early in portfolio planning.

The listed companies are L'Oréal, Novaliq GmbH, and Boston Scientific Corporation. The listed firms are AMSTER, ROTHSTEIN & EBENSTEIN LLP, Arnold & Porter Kaye Scholer LLP - Roquette Freres, and CANTOR COLBURN LLP. The allowance figure supports rigorous claim differentiation and evidence development. The modest interview measure makes a specific interview objective more useful than a routine request.

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

Performance Statistics

31.1%
Allow Rate
-38.9% vs TC avg
776
Total Applications
+5.7%
Interview Lift
1337
Avg Prosecution Days
Based on 700 resolved cases, 2023–2026

Rejection Statute Breakdown

0.7%
§101 Eligibility
18.5%
§102 Novelty
51.5%
§103 Obviousness
16.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18762216 CROSSLINKED HYDROGELS WITH ENHANCED RADIOPACITY FOR MEDICAL APPLICATIONS Non-Final OA Boston Scientific Scimed, Inc.
18423695 HIGH DENSITY PEPTIDE POLYMERS Final Rejection The Regents of the University of California
18276129 IMPLANTATION DEVICE Final Rejection TOHOKU UNIVERSITY
18549444 SUNSCREEN COMPOSITION Final Rejection DSM IP ASSETS B.V.
18549858 HAIR COLOURING COMPOSITION COMPRISING AT LEAST ONE (POLY)CARBODIIMIDE COMPOUND AND AT LEAST ONE NON-CARBOXYLIC ANIONIC THICKENER Final Rejection L'Oreal
17826413 ADHESIVE MASCARA COMPOSITIONS Final Rejection L'ORÉAL
18380965 ANTIMICROBIAL COMPOSITIONS Final Rejection University of South Florida
17770089 Film Compositions Non-Final OA Colgate-Palmolive Company
16625401 SELF-REMINDING PATCH Non-Final OA LTS Lohmann Therapie-Systeme AG
18767360 LIPID NANOPARTICLE-BASED ANTI-FENTANYL VACCINE Non-Final OA Universiteit Gent
18443435 ANTIMICROBIAL MIXTURE Non-Final OA SYMRISE AG
18576605 ORTHODONTIC SEPARATOR Final Rejection CARERING TECHNOLOGIES LTD

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Who Appears Before This Examiner

Top companies before this examiner

Law firms appearing most often

Frequently Asked Questions

What is examiner Hong Yu's allowance rate?

31.1% of resolved applications examined by Hong Yu were allowed (700 resolved cases), compared with 40.7% across Art Unit 1612 over the last five years.

Does an interview help with examiner Hong Yu?

This examiner's interview lift is +5.7 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 Yu take to allow a patent?

Applications allowed by Hong Yu took 1,337 days on average from filing to allowance.

Which art unit does examiner Hong Yu work in?

Hong Yu examines applications in Art Unit 1612 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month