Prosecution Insights
Last updated: October 27, 2026

Clinton A Brooks, USPTO Patent Examiner

Listed by the USPTO as BROOKS, CLINTON A

Tech Center 1600 • Art Units: 1621 1622 1625 1629 1671

This examiner grants 68% of resolved cases

Analysis

BROOKS, CLINTON A is assigned to Tech Center 1600 and Art Unit 1621. The profile records 979 resolved cases, an allowance rate of 67.8%, and a median of 1013 days to allowance. Interviews show a 19.3% lift, giving them a meaningful role in planning responses and examiner communications.

The listed companies are Roche Diagnostics Operations Inc., RESONAC Corporation, and École Polytechnique Fédérale de Lausanne. The leading firms are SUGHRUE MION, PLLC and Taft Law. These names identify representative applicants and counsel in the record, while the allowance, interview, and pendency measures help practitioners shape expectations for application handling in this art unit.

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

Performance Statistics

67.8%
Allow Rate
+7.8% vs TC avg
986
Total Applications
+19.3%
Interview Lift
1013
Avg Prosecution Days
Based on 979 resolved cases, 2023–2026

Rejection Statute Breakdown

0.9%
§101 Eligibility
20.2%
§102 Novelty
43.0%
§103 Obviousness
19.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18031514 METHOD FOR STORING FLUORO-2-BUTENE Non-Final OA Resonac Corporation

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Frequently Asked Questions

What is examiner Clinton A Brooks's allowance rate?

67.8% of resolved applications examined by Clinton A Brooks were allowed (979 resolved cases), compared with 46.0% across Art Unit 1621 over the last five years.

Does an interview help with examiner Clinton A Brooks?

This examiner's interview lift is +19.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Clinton A Brooks take to allow a patent?

Applications allowed by Clinton A Brooks took 1,013 days on average from filing to allowance.

Which art unit does examiner Clinton A Brooks work in?

Clinton A Brooks examines applications in Art Unit 1621 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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