Prosecution Insights
Last updated: August 18, 2026

Examiner: CHIU, TAK LIANG

Tech Center 1700 • Art Units: 1771 1777

This examiner grants 50% of resolved cases

Performance Statistics

50.0%
Allow Rate
-15.0% vs TC avg
72
Total Applications
+34.3%
Interview Lift
1267
Avg Prosecution Days
Based on 40 resolved cases, 2023–2026

Rejection Statute Breakdown

1.3%
§101 Eligibility
14.0%
§102 Novelty
47.9%
§103 Obviousness
34.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18036848 Nanofiltration Membrane for Precise Solute-Solute Separation Non-Final OA Georgia Tech Research Corporation
18026480 CHARGED MEMBRANES INCORPORATED WITH POROUS POLYMER FRAMEWORKS Final Rejection The Regents of the University of California
17979451 HOLLOW FIBER MEMBRANE MODULE AND METHOD FOR REMOVING ENDOTOXINS Non-Final OA NIKKISO CO., LTD.
17924564 POROUS MEMBRANE LAMINATE, FILTER ELEMENT AND METHOD OF MANUFACTURING POROUS MEMBRANE LAMINATE Final Rejection SUMITOMO ELECTRIC INDUSTRIES, LTD.
18025272 WATER TREATMENT SYSTEM, PURE WATER PRODUCTION METHOD, AND WATER TREATMENT METHOD Final Rejection ORGANO CORPORATION
18268454 POLYFLUORENE-BASED ANION EXCHANGE COMPOSITE MEMBRANE AND METHOD FOR PREPARING SAME Final Rejection IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
17629582 MODIFIED ZEOLITE FOR HEAVY METAL REMOVAL Final Rejection OMYA INTERNATIONAL AG
18482437 PFAS ISOLATOR COLUMN SCOUTING Final Rejection Waters Technologies Corporation
17599683 SYSTEM FOR REDUCING TOTAL CARBON CONSUMPTION IN THE GENERATION OF LOW CHEMICAL OXYGEN DEMAND TREATED STREAMS Non-Final OA LUMMUS TECHNOLOGY LLC
18758505 INLINE LIQUID-DEGASSER WITH LOOPED FIBERS Non-Final OA AMD Design, LLC

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