Prosecution Insights
Last updated: October 27, 2026

Mary A Hayes, USPTO Patent Examiner

Listed by the USPTO as HAYES, MARY A

Tech Center 2800 • Art Units: 2874 2883

This examiner grants 82% of resolved cases

Analysis

HAYES, MARY A is assigned to tech center 2800 and art unit 2874. The profile covers 717 resolved cases and shows an allowance rate of 82.0%. The median time to allowance is 921 days, while the interview lift is 9.6%. The data reflects a high allowance rate with an interview effect that is present but less pronounced than the allowance result.

Corning Incorporated, Board of Regents of the University of Texas System, and NITTO DENKO Corporation are the represented companies. The listed firms are Getz Balich LLC and WHDA, LLP. Practitioners may emphasize clear technical correspondence between the claims and the specification, using interviews to address examiner concerns while maintaining a disciplined approach to amendments.

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

Performance Statistics

82.0%
Allow Rate
+14.0% vs TC avg
739
Total Applications
+9.6%
Interview Lift
921
Avg Prosecution Days
Based on 717 resolved cases, 2023–2026

Rejection Statute Breakdown

0.8%
§101 Eligibility
31.9%
§102 Novelty
52.4%
§103 Obviousness
10.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17471717 RESONANT FILTERS HAVING SIMULTANEOUSLY TUNED CENTRAL WAVELENGTHS AND SIDEBANDS Final Rejection Board of Regents, The University of Texas System
18611939 PHOTOELECTRIC COMPOSITE TRANSMISSION MODULE AND OPTICAL COMMUNICATION CABLE USING PHOTOELECTRIC COMPOSITE TRANSMISSION MODULE Non-Final OA NITTO DENKO CORPORATION
18121424 COUPLING OPTICAL FIBERS AND FLUID PASSAGES Non-Final OA Raytheon Technologies Corporation

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Frequently Asked Questions

What is examiner Mary A Hayes's allowance rate?

82.0% of resolved applications examined by Mary A Hayes were allowed (717 resolved cases), compared with 78.9% across Art Unit 2874 over the last five years.

Does an interview help with examiner Mary A Hayes?

This examiner's interview lift is +9.6 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Mary A Hayes take to allow a patent?

Applications allowed by Mary A Hayes took 921 days on average from filing to allowance.

Which art unit does examiner Mary A Hayes work in?

Mary A Hayes examines applications in Art Unit 2874 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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