Prosecution Insights
Last updated: October 26, 2026

Wenren Chen, USPTO Patent Examiner

Listed by the USPTO as CHEN, WENREN

Tech Center 3600 • Art Units: 2644 3626 3689

This examiner grants 15% of resolved cases

Analysis

CHEN, WENREN works in tech center 3600 and art unit 2644, with 222 resolved cases. The allowance rate is 15.3%, while the median time to allowance is 1354 days. The interview lift is 29.2%, suggesting that interviews may be an important prosecution tool despite the low overall allowance rate in this record.

The recorded companies are Bloomberg Finance L P, Apple Inc., and State Farm Mutual Automobile Insurance Company. The leading firms are 2SPL Patent Attorneys, Chrisman Gallo Tochtrop LLC, and FENWICK & WEST LLP. Applicants should pair interview preparation with careful anticipation of substantive barriers and a potentially extended path to allowance.

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

Performance Statistics

15.3%
Allow Rate
-36.7% vs TC avg
254
Total Applications
+29.2%
Interview Lift
1354
Avg Prosecution Days
Based on 222 resolved cases, 2023–2026

Rejection Statute Breakdown

31.2%
§101 Eligibility
11.2%
§102 Novelty
33.3%
§103 Obviousness
22.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18635775 SYSTEMS AND METHODS FOR IDENTIFYING ANCILLARY HOME COSTS Final Rejection State Farm Mutual Automobile Insurance Company
18391709 Concept for Capability Management Non-Final OA Intel Corporation

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Frequently Asked Questions

What is examiner Wenren Chen's allowance rate?

15.3% of resolved applications examined by Wenren Chen were allowed (222 resolved cases), compared with 75.2% across Art Unit 2644 over the last five years.

Does an interview help with examiner Wenren Chen?

This examiner's interview lift is +29.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Wenren Chen take to allow a patent?

Applications allowed by Wenren Chen took 1,354 days on average from filing to allowance.

Which art unit does examiner Wenren Chen work in?

Wenren Chen examines applications in Art Unit 2644 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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