Prosecution Insights
Last updated: August 17, 2026

Examiner: PERRIN, CLARE M

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

This examiner grants 68% of resolved cases

Performance Statistics

67.9%
Allow Rate
+2.9% vs TC avg
787
Total Applications
+42.3%
Interview Lift
1076
Avg Prosecution Days
Based on 754 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
17606231 WATER TREATMENT METHOD AND COMPOSITION Non-Final OA DAIKIN INDUSTRIES, LTD.
18561441 USE OF POLYMERS OF ACRYLIC ACID FOR SCALE INHIBITION IN DESALINATION SYSTEMS Final Rejection BASF SE
18288047 METHOD FOR THE REGENERATION OF SPECIAL FILTER AIDS FOR THE STABILIZATION OF BEVERAGES Non-Final OA BASF SE
18035229 METHODS OF OBTAINING WATER FOR DOWNSTREAM PROCESSES Non-Final OA BASF Corporation
18007853 Metal Chelating Functional Graphene Materials Final Rejection Carnegie Mellon University
17941016 Materials and Methods for Biosorption of Micropollutants from Aqueous Solutions Final Rejection Massachusetts Institute of Technology
18593044 Water Monitoring and Treatment System Non-Final OA The United States of America, as represented by the Secretary of the Navy
18577434 ADSORPTION METHOD FOR NITRILOTRIACETIC ACID (NTA) REMOVAL FROM EDTA CONTAINING CHELANT SOLUTIONS Non-Final OA Dow Global Technologies LLC
18678573 FILTER MEDIA INCLUDING ADHESIVES Non-Final OA Hollingsworth & Vose Company

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