Prosecution Insights
Last updated: October 26, 2026

Matthew Ell, USPTO Patent Examiner

Listed by the USPTO as ELL, MATTHEW

Tech Center 2100 • Art Units: 2141 2145 2147 2171 2172 2174

This examiner grants 67% of resolved cases

Analysis

ELL, MATTHEW works in tech center 2100 and art unit 2141. The profile reports 386 resolved cases, an allowance rate of 66.6%, and a median of 1446 days to allowance. Interviews are associated with a 21.9% lift in the allowance rate.

The allowance rate shows that successful prosecution occurs in a substantial portion of the record, while the median timeline indicates that applicants should plan for extended pendency. The interview lift supports considering a direct discussion when the application presents claim or technical issues that may be resolved through focused engagement.

Canon Inc., Emerson Electric Co., and Telefonaktiebolaget LM Ericsson are the leading companies. OBLON, MCCLELLAND, MAIER & NEUSTADT, L.L.P., Park, Kim & Suh, LLC, and THE WEBB LAW FIRM, P.C. are the leading firms. Their presence provides reference points for counsel reviewing this examiner.

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

Performance Statistics

66.6%
Allow Rate
+11.6% vs TC avg
394
Total Applications
+21.9%
Interview Lift
1446
Avg Prosecution Days
Based on 386 resolved cases, 2023–2026

Rejection Statute Breakdown

14.1%
§101 Eligibility
17.3%
§102 Novelty
49.7%
§103 Obviousness
14.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18714086 DISTRIBUTED REWARD DECOMPOSITION FOR REINFORCEMENT LEARNING Non-Final OA Telefonaktiebolaget LM Ericsson (publ)
17660675 DATA PROCESSING DEVICE AND DATA PROCESSING METHOD Final Rejection Canon Kabushiki Kaisha
17895173 HYPERDIMENSIONAL LEARNING USING VARIATIONAL AUTOENCODER Non-Final OA The Regents of the University of California
18384465 Document Generation Method and Electronic Device and Non-transitory Readable Storage Medium Non-Final OA VIVO MOBILE COMMUNICATION CO., LTD.

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Frequently Asked Questions

What is examiner Matthew Ell's allowance rate?

66.6% of resolved applications examined by Matthew Ell were allowed (386 resolved cases), compared with 26.4% across Art Unit 2141 over the last five years.

Does an interview help with examiner Matthew Ell?

This examiner's interview lift is +21.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Matthew Ell take to allow a patent?

Applications allowed by Matthew Ell took 1,446 days on average from filing to allowance.

Which art unit does examiner Matthew Ell work in?

Matthew Ell examines applications in Art Unit 2141 in Tech Center 2100 (Computing & Software).

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