Prosecution Insights
Last updated: October 26, 2026

Mark E Hershley, USPTO Patent Examiner

Listed by the USPTO as HERSHLEY, MARK E

Tech Center 2100 • Art Units: 2155 2161 2162 2164

This examiner grants 78% of resolved cases

Analysis

Mark E. Hershley works in Tech Center 2100 and Art Unit 2155. He has 564 resolved cases and an allowance rate of 78.4%. The median days to allowance is 1170. These figures represent the baseline for prosecution outcomes and timelines in his docket.

The interview lift is 18.6%, indicating that interviews are an effective strategy compared to the 78.4% baseline allowance rate. Top companies include Google LLC, NTT Docomo Business Inc., and Inscape Data Inc. Frequent firms include ARENTFOX SCHIFF LLP, BRAKE HUGHES BELLERMANN LLP, and Faegre Drinker Biddle & Reath LLP - Palantir. The 18.6% lift suggests that direct dialogue with the examiner can improve the chances of a grant. Applicants should factor the 1170-day median into their strategic planning. These 564 resolved cases show a consistent pattern where interviews provide a boost to the 78.4% allowance rate. This data is essential for practitioners deciding whether to interview or rely on written responses. The 18.6% lift is a key tactical consideration.

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

Performance Statistics

78.4%
Allow Rate
+23.4% vs TC avg
583
Total Applications
+18.6%
Interview Lift
1170
Avg Prosecution Days
Based on 564 resolved cases, 2023–2026

Rejection Statute Breakdown

13.9%
§101 Eligibility
21.8%
§102 Novelty
48.3%
§103 Obviousness
7.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19220720 SYSTEMS AND METHODS FOR PREVENTING SPLITS OF RELATED DATA IN A DISTRIBUTED DATABASE Final Rejection Google LLC
18528142 FACTUALITY OF GENERATED RESPONSES Non-Final OA Google LLC
18999873 MULTIFACETED REFORMULATIONS FOR NULL AND LOW QUERIES Final Rejection eBay Inc.
19304737 AUTOMATED GENERATION OF DATA SOURCE DESCRIPTIONS FOR AGENTIC WORKFLOWS Non-Final OA NVIDIA Corporation

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Frequently Asked Questions

What is examiner Mark E Hershley's allowance rate?

78.4% of resolved applications examined by Mark E Hershley were allowed (564 resolved cases), compared with 0.0% across Art Unit 2155 over the last five years.

Does an interview help with examiner Mark E Hershley?

This examiner's interview lift is +18.6 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Mark E Hershley take to allow a patent?

Applications allowed by Mark E Hershley took 1,170 days on average from filing to allowance.

Which art unit does examiner Mark E Hershley work in?

Mark E Hershley examines applications in Art Unit 2155 in Tech Center 2100 (Computing & Software).

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