Prosecution Insights
Last updated: October 25, 2026

Vu B Hang, USPTO Patent Examiner

Listed by the USPTO as HANG, VU B

Tech Center 2600 • Art Units: 2625 2654 2671 2672

This examiner grants 75% of resolved cases

Analysis

HANG, VU B has resolved 637 cases in Tech Center 2600 and Art Unit 2625. The allowance rate is 74.7%, and the median time to allowance is 1137 days. The record provides a substantial base for planning, with a median timeline that should be reflected in portfolio and commercialization decisions.

The interview lift is 17.1%, indicating a modest measured association with allowance. Practitioners may use interviews to target specific disputes while maintaining detailed written claim analysis. The listed companies are Soundhound AI Ip LLC, Callminer Inc., and Adeia Technologies Inc. The leading firms are GTC LAW GROUP PC & AFFILIATES, Bochner PLLC, and HG Law LLP (Adeia).

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

Performance Statistics

74.7%
Allow Rate
+12.7% vs TC avg
652
Total Applications
+17.1%
Interview Lift
1137
Avg Prosecution Days
Based on 637 resolved cases, 2023–2026

Rejection Statute Breakdown

7.7%
§101 Eligibility
19.2%
§102 Novelty
61.3%
§103 Obviousness
5.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18939303 INCREASING USER ENGAGEMENT THROUGH QUERY SUGGESTION Non-Final OA Adeia Guides Inc.
18815221 METHODS AND SYSTEMS FOR MATCHING INTERESTS WITH CONTENT Non-Final OA Comcast Cable Communications, LLC
18945442 DERIVING ACOUSTIC FEATURES AND LINGUISTIC FEATURES FROM RECEIVED SPEECH AUDIO Non-Final OA SoundHound AI IP, LLC
18928627 METHOD AND SYSTEM FOR ACOUSTIC MODEL CONDITIONING ON NON-PHONEME INFORMATION FEATURES Non-Final OA SoundHound AI IP, LLC.
18974939 VOICE RECOGNITION SYSTEM, VOICE RECOGNITION SERVER AND CONTROL METHOD OF DISPLAY APPARATUS FOR PROVIDING VOICE RECOGNITION FUNCTION BASED ON USAGE STATUS Non-Final OA SAMUSUNG ELECTRONICS CO., LTD.
18900289 LOW-LATENCY CONVERSATIONAL ARTIFICIAL INTELLIGENCE (AI) ARCHITECTURE WITH A PARALLELIZED IN-DEPTH ANALYSIS FEEDBACK LOOP Non-Final OA HealthGPT, Inc. DBA Hippocratic AI
18778451 SYSTEM AND METHOD OF MACHINE LEARNING ENABLED FORM FILLING Final Rejection CallMiner, Inc.
18384228 MACHINE LEARNING ENABLED CATEGORY CREATION Non-Final OA CallMiner, Inc.
16276614 MULTI-DEVICE PERSONAL ASSISTANTS Non-Final OA Cellepathy Inc.

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Who Appears Before This Examiner

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Frequently Asked Questions

What is examiner Vu B Hang's allowance rate?

74.7% of resolved applications examined by Vu B Hang were allowed (637 resolved cases), compared with 66.5% across Art Unit 2625 over the last five years.

Does an interview help with examiner Vu B Hang?

This examiner's interview lift is +17.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Vu B Hang take to allow a patent?

Applications allowed by Vu B Hang took 1,137 days on average from filing to allowance.

Which art unit does examiner Vu B Hang work in?

Vu B Hang examines applications in Art Unit 2625 in Tech Center 2600 (Communications).

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