Prosecution Insights
Last updated: October 27, 2026

Clare M Perrin, USPTO Patent Examiner

Listed by the USPTO as PERRIN, CLARE M

Tech Center 1700 • Art Units: 1654 1776 1777 1778 1779

This examiner grants 68% of resolved cases

Analysis

PERRIN, CLARE M has resolved 772 cases in Tech Center 1700 and Art Unit 1654. The allowance rate is 68.3%, and the median time to allowance is 1077 days. The substantial record provides meaningful prosecution context, while the allowance rate and timeline support planning for sustained examination activity.

The interview lift is 42.6%, indicating a strong positive association between interviews and allowance outcomes. Massachusetts Institute of Technology, Merck Patent GmbH, and Daikin Industries Ltd. are the leading companies. SUGHRUE MION, PLLC, Amundsen Davis, LLC, and Baker, Donelson, Bearman, Caldwell & Berkowitz, PC are the listed firms. Interview preparation may be an important part of applicant strategy.

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

Performance Statistics

68.3%
Allow Rate
+3.3% vs TC avg
803
Total Applications
+42.6%
Interview Lift
1077
Avg Prosecution Days
Based on 772 resolved cases, 2023–2026

Rejection Statute Breakdown

1.3%
§101 Eligibility
14.2%
§102 Novelty
42.8%
§103 Obviousness
33.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18692965 INTEGRATED SOLUTION FOR PROCESS INTENSIFICATION USING INLINE CONSTANTLY PRESSURIZED TANK: "ICPT" Non-Final OA MERCK PATENT GMBH
18556892 SYSTEMS AND METHODS FOR RAPID FLUSHING OF A MEMBRANE-BASED SYSTEM Non-Final OA Massachusetts Institute of Technology
17941016 Materials and Methods for Biosorption of Micropollutants from Aqueous Solutions Final Rejection Massachusetts Institute of Technology
17606231 WATER TREATMENT METHOD AND COMPOSITION Non-Final OA DAIKIN INDUSTRIES, LTD.
18418186 CARBONATE PRODUCTION APPARATUS AND CARBONATE PRODUCTION METHOD Non-Final OA SUMITOMO HEAVY INDUSTRIES, LTD.
18566217 PARTICLE FILTRATION Final Rejection UNIVERSITY OF CONNECTICUT
18665016 WATER FILTRATION SYSTEM INCLUDING A MODULAR FLOW METER FOR AN APPLIANCE Non-Final OA Haier US Appliance Solutions, Inc.

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Frequently Asked Questions

What is examiner Clare M Perrin's allowance rate?

68.3% of resolved applications examined by Clare M Perrin were allowed (772 resolved cases), compared with 48.5% across Art Unit 1654 over the last five years.

Does an interview help with examiner Clare M Perrin?

This examiner's interview lift is +42.6 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Clare M Perrin take to allow a patent?

Applications allowed by Clare M Perrin took 1,077 days on average from filing to allowance.

Which art unit does examiner Clare M Perrin work in?

Clare M Perrin examines applications in Art Unit 1654 in Tech Center 1700 (Chemistry & Materials).

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