Prosecution Insights
Last updated: October 26, 2026

Bill Chen, USPTO Patent Examiner

Listed by the USPTO as CHEN, BILL

Tech Center 3600 • Art Units: 3626

This examiner grants 0% of resolved cases

Analysis

CHEN, BILL is a USPTO patent examiner in tech center 3600 and art unit 3626. The profile records 13 resolved cases, an allowance rate of 0.0%, and a median of 1010 days to allowance. The interview lift is also 0.0%, so the available record does not show an allowance outcome or an interview-associated increase.

The listed companies are Wells Fargo Bank, N.A., Koninklijke Philips N.V., and Corelogic Solutions LLC. The listed firms are OBLON, MCCLELLAND, MAIER & NEUSTADT, L.L.P., Barron & Young PLLC, and HG Law LLP (Adeia). With only 13 resolved cases, practitioners should use this profile cautiously and avoid treating the figures as a definitive long-term pattern.

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

Performance Statistics

0.0%
Allow Rate
-52.0% vs TC avg
27
Total Applications
+0.0%
Interview Lift
1010
Avg Prosecution Days
Based on 13 resolved cases, 2023–2026

Rejection Statute Breakdown

41.7%
§101 Eligibility
26.7%
§102 Novelty
29.2%
§103 Obviousness
1.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18192223 METHOD AND DEVICE FOR PROVIDING CONSUMER SENTIMENT ANALYSIS Non-Final OA Wells Fargo Bank, N. A.
18709538 DATA QUALITY IMPROVEMENT SYSTEM FOR IMAGING SYSTEM SERVICE WORK ORDERS (SWO) Final Rejection KONINKLIJKE PHILIPS N.V.
18873785 USER BEHAVIOR EVALUATION DEVICE Non-Final OA NTT DOCOMO, INC.

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Frequently Asked Questions

What is examiner Bill Chen's allowance rate?

0.0% of resolved applications examined by Bill Chen were allowed (13 resolved cases), compared with 24.6% across Art Unit 3626 over the last five years.

Does an interview help with examiner Bill Chen?

This examiner's interview lift is +0.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

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

Applications allowed by Bill Chen took 1,010 days on average from filing to allowance.

Which art unit does examiner Bill Chen work in?

Bill Chen examines applications in Art Unit 3626 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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