Prosecution Insights
Last updated: October 26, 2026

Huawen A Peng, USPTO Patent Examiner

Listed by the USPTO as PENG, HUAWEN A

Tech Center 2100 • Art Units: 2157 2158 2169

This examiner grants 82% of resolved cases

Analysis

PENG, HUAWEN A has resolved 728 cases in Tech Center 2100 and Art Unit 2157. The allowance rate is 82.3%, and the median time to allowance is 1109 days. The profile shows a high allowance rate across a substantial resolved record, although the median timeline supports continued attention to prosecution efficiency.

The interview lift is 20.4%, indicating a positive association between interviews and allowance outcomes. NEC Laboratories America Inc., Salesforce Inc., and Cox Communications Inc. are the leading companies. DLA PIPER LLP US - Reston, Meunier Carlin & Curfman LLC, and ROTHWELL, FIGG, ERNST & MANBECK, P.C. are the listed firms. Applicants may benefit from combining interview preparation with disciplined written claim analysis.

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

Performance Statistics

82.3%
Allow Rate
+27.3% vs TC avg
744
Total Applications
+20.4%
Interview Lift
1109
Avg Prosecution Days
Based on 728 resolved cases, 2023–2026

Rejection Statute Breakdown

19.8%
§101 Eligibility
24.0%
§102 Novelty
43.3%
§103 Obviousness
5.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18409641 GRAPHICAL MACHINE-LEARNED MODEL EMBEDDING GENERATION AND ENTITY RETRIEVAL Non-Final OA Salesforce, Inc.

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Frequently Asked Questions

What is examiner Huawen A Peng's allowance rate?

82.3% of resolved applications examined by Huawen A Peng were allowed (728 resolved cases), compared with 35.6% across Art Unit 2157 over the last five years.

Does an interview help with examiner Huawen A Peng?

This examiner's interview lift is +20.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Huawen A Peng take to allow a patent?

Applications allowed by Huawen A Peng took 1,109 days on average from filing to allowance.

Which art unit does examiner Huawen A Peng work in?

Huawen A Peng examines applications in Art Unit 2157 in Tech Center 2100 (Computing & Software).

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