Prosecution Insights
Last updated: October 11, 2026

Charles Ehne, USPTO Patent Examiner

Listed by the USPTO as EHNE, CHARLES

Tech Center 2100 • Art Units: 2113

This examiner grants 92% of resolved cases

Analysis

Charles Ehne examines applications in Tech Center 2100 and Art Unit 2113. He has 832 resolved cases with an allowance rate of 92.1%. This 92.1% rate is very high, indicating a very favorable environment for applicants. The median days to allowance is 791, which is an efficient timeline for the 832 resolved cases in this art unit.

The interview lift is 8.1%. This 8.1% lift shows that interviews provide a small increase in the likelihood of allowance. In Art Unit 2113, the 92.1% allowance rate and the 791 median days to allowance are key metrics for planning. The 8.1% lift is a minor factor for practitioners in Tech Center 2100.

With 832 resolved cases, the examiner's profile is well-established. The 92.1% allowance rate and the 791-day median timeline suggest a fast and successful prosecution process. The 8.1% interview lift further supports the use of direct communication, though the baseline success rate is already high. These figures provide a clear picture of the procedural landscape for applicants working with this examiner.

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

Performance Statistics

92.1%
Allow Rate
+37.1% vs TC avg
844
Total Applications
+8.1%
Interview Lift
791
Avg Prosecution Days
Based on 833 resolved cases, 2023–2026

Rejection Statute Breakdown

14.9%
§101 Eligibility
58.1%
§102 Novelty
10.2%
§103 Obviousness
4.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18540182 AUTOMATED IDENTIFICATION OF WEBSITE ERRORS Non-Final OA American Express Travel Related Services Company, Inc.
18427290 METHOD AND SYSTEM FOR PREDICTING SERVER HARDWARE AND SERVER HARDWARE COMPONENT FAILURES Final Rejection JPMorgan Chase Bank, N.A.
18204707 DETECTING AND PREDICTING ELECTRONIC STORAGE DEVICE DATA ANOMALIES Non-Final OA International Business Machines Corporation
18828089 RECOVERY MECHANISM WITH SELECTIVE ORDERING AND CONCURRENT OPERATIONS Non-Final OA NetApp, Inc.
18605682 USING APPLICATION PERFORMANCE EVENTS TO CALCULATE A USER EXPERIENCE SCORE FOR A COMPUTER APPLICATION PROGRAM Non-Final OA Cisco Technology, Inc.

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Frequently Asked Questions

What is examiner Charles Ehne's allowance rate?

92.1% of resolved applications examined by Charles Ehne were allowed (833 resolved cases), compared with 78.1% across Art Unit 2113 over the last five years.

Does an interview help with examiner Charles Ehne?

This examiner's interview lift is +8.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Charles Ehne take to allow a patent?

Applications allowed by Charles Ehne took 791 days on average from filing to allowance.

Which art unit does examiner Charles Ehne work in?

Charles Ehne examines applications in Art Unit 2113 in Tech Center 2100 (Computing & Software).

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