Prosecution Insights
Last updated: May 29, 2026

Examiner: CHIU, TAK LIANG

Tech Center 1700 • Art Units: 1777

This examiner grants 51% of resolved cases

Performance Statistics

51.4%
Allow Rate
-13.6% vs TC avg
71
Total Applications
+38.5%
Interview Lift
1242
Avg Prosecution Days
Based on 35 resolved cases, 2023–2026

Rejection Statute Breakdown

0.7%
§101 Eligibility
9.1%
§102 Novelty
77.6%
§103 Obviousness
10.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18193517 NANOPORE DEVICES INCLUDING BARRIERS USING POLYMERS WITH END GROUPS, AND METHODS OF MAKING THE SAME Non-Final OA Illumina, Inc.
18036848 Nanofiltration Membrane for Precise Solute-Solute Separation Non-Final OA Georgia Tech Research Corporation
17609072 COMPOSITION FOR FORMING SEPARATION MEMBRANE ACTIVE LAYER, METHOD FOR PRODUCING SEPARATION MEMBRANE, SEPARATION MEMBRANE, AND WATER TREATMENT MODULE Final Rejection LG CHEM, LTD.
18004678 WET AIR OXIDATION SYSTEM WITH SHELL AND TUBE HEAT EXCHANGER Final Rejection LUMMUS TECHNOLOGY LLC
18514186 Filter for a Fluid Passageway Non-Final OA Robert Bosch GmbH
18268454 POLYFLUORENE-BASED ANION EXCHANGE COMPOSITE MEMBRANE AND METHOD FOR PREPARING SAME Non-Final OA IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
17924564 POROUS MEMBRANE LAMINATE, FILTER ELEMENT AND METHOD OF MANUFACTURING POROUS MEMBRANE LAMINATE Non-Final OA SUMITOMO ELECTRIC INDUSTRIES, LTD.
18025272 WATER TREATMENT SYSTEM, PURE WATER PRODUCTION METHOD, AND WATER TREATMENT METHOD Final Rejection ORGANO CORPORATION
18026878 MOLECULARLY POROUS CROSS-LINKED MEMBRANES Non-Final OA King Abdullah University of Science and Technology
18482437 PFAS ISOLATOR COLUMN SCOUTING Non-Final OA Waters Technologies Corporation
17770134 METHOD FOR INTERMITTENTLY CLEANING A FILTER, AND FILTER DEVICE FOR A METAL PRINTING DEVICE Non-Final OA Becker Additive Manufacturing Solutions GmbH
18091651 DEVICES AND METHODS FOR SAMPLE CHARACTERIZATION Non-Final OA Intabio, LLC
18267974 AUTOMATIC MONITORING SYSTEM FOR SOLUTION-PHASE SYNTHESIS Non-Final OA GlycodePharma Co., Ltd.
17595901 A BIOCOMPATIBLE MEMBRANE COMPOSITE Final Rejection Viacyte, Inc.
18147705 VALVE BASED WATER SOFTENER SYSTEM AND METHOD Final Rejection PENTAIR, INC.
17958006 SYSTEM FOR REMOVING IMPURITIES OUT OF TAURINE MOTHER LIQUOR AND TAURINE MOTHER LIQUOR RECOVERY Final Rejection QIANJIANG YONGAN PHARMACEUTICAL CO LTD
17634782 CONTROL OF GREEN MACROALGAE BLOOMS Non-Final OA ALGAR HOLDING LTD
17310264 FILTER FOR CHEMICAL REACTORS Final Rejection PHARMAFLUIDICS NV

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