Prosecution Insights
Last updated: May 29, 2026

Examiner: NORRIS, CLAIRE A

Tech Center 1700 • Art Units: 1778 1779

This examiner grants 66% of resolved cases

Performance Statistics

65.6%
Allow Rate
+0.6% vs TC avg
878
Total Applications
+28.0%
Interview Lift
1029
Avg Prosecution Days
Based on 838 resolved cases, 2023–2026

Rejection Statute Breakdown

0.2%
§101 Eligibility
2.3%
§102 Novelty
82.9%
§103 Obviousness
11.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18556671 FILTRATION DEVICE FOR A DOWN-FLOW HYDROPROCESSING REACTOR Non-Final OA CHEVRON U.S.A INC.
18972007 PROCESS OF AFFINITY CHROMATOGRAPHY Non-Final OA Kashiv BioSciences, LLC
17922729 AN IMPROVED PROCESS OF PURIFICATION OF PROTEIN Non-Final OA Kashiv BioSciences, LLC
18501778 DEVICES AND METHODS UTILIZING CARBON NANOTUBE MEMBRANE FILTRATION Non-Final OA Kohler Co.
18012687 WASTE TREATMENT SYSTEM AND WASTE TREATMENT METHOD Non-Final OA MITSUBISHI HEAVY INDUSTRIES, LTD.
18540481 Method for High Purity High Throughput Isolation of Extracellular Vesicles Using Size Exclusion Chromatography Non-Final OA Northeastern University
18013087 A CONTROL SYSTEM OF A WASTEWATER TREATMENT PLANT Final Rejection KEMIRA OYJ
18643059 MAGNETIC FILTER APPARATUS AND METHOD Non-Final OA MEDISIEVE LTD
18508983 WASTEWATER TREATMENT WITH PRIMARY TREATMENT AND MBR OR MABR-IFAS REACTOR Non-Final OA BL TECHNOLOGIES, INC.
18533129 LAGOON BASED ANAEROBIC SBR/UAC REACTOR SYSTEM WITH MULTIPLE CELLS Non-Final OA SUSTAIN TECHNOLOGIES, LLC
18563081 FILTER CARTRIDGE FOR FILTRATION OF LIQUIDS Non-Final OA BRITA SE
17967838 Sequencing Batch Reactor Systems and Methods Final Rejection Evoqua Water Technologies LLC
17608940 A CHROMATOGRAPHY DEVICE Non-Final OA Cytiva BioProcess R&D AB
18501426 THERMAL CONDUCTIVE AND BREATHABLE MEMBRANE Final Rejection UC Bacon Company Limited
18552742 PROCESS FOR ISOLATION AND/OR PURIFYING OF GLYCOLIPIDS Non-Final OA BIO BASE EUROPE PILOT PLANT VZW
18254180 DEVICE FOR FORMING TURBULENCE IN A LIQUID, ESPECIALLY FOR SOLID/LIQUID MIXTURES Final Rejection SAATI S.P.A.
18348045 MODIFIED LIQUID ACTIVATED CARBON (FE-LAC) FOR IN-SITU ARSENIC REMOVAL Final Rejection KING FAHD UNIVERSITY OF PETROLEUM & MINERALS
18143052 MANUFACTURING PROCESS FOR PRODUCING AMMONIA FROM ANAEROBIC DIGESTATE LIQUID Non-Final OA NATURAL AMMONIA PRODUCTS, LLC
18305324 Systems and Methods for Systems and Methods Using Thermophilic Microbes for the Treatment of Wastewater Final Rejection Advanced Innovators, Inc.
17877941 Systems and Methods for Reducing Pollutants, Including Carbon in Public Utilities, Agriculture and Manufacturing Non-Final OA Advanced Innovators Inc.
18247575 METHODS FOR ENHANCED BIOLOGICAL PHOSPHORUS REMOVAL Final Rejection HIAS HOW2O AS
18027237 A LIQUID FILTER Non-Final OA CHARLES AUSTEN PUMPS LTD.
18041379 BIOFILM CARRIER FOR MOVING BED BIOFILM REACTORS Non-Final OA VEOLIA WATER SOLUTIONS & TECHNOLOGIES SUPPORT
18145759 METHODS FOR INCREASING BIOSOLIDS CAKE DRYNESS THROUGH A FORCED VENTILATION AERATED STATIC PILE BIOLOGICAL DRYING PROCESS Final Rejection JACOBS ENGINEERING GROUP, INC.
18076860 CONCURRENT RAW AND AERATED WASTEWATER TREATMENT METHOD USING BIOELECTROCHEMICAL SYSTEM Non-Final OA OKINAWA INSTITUTE OF SCIENCE AND TECHNOLOGY SCHOOL CORPORATION
17968827 DEVICE FOR RECOVERING SPILLED OIL Non-Final OA KOAI CO., LTD.
17599361 APPARATUS AND METHOD FOR REDUCING CONCENTRATION POLARIZATION AND MEMBRANE FOULING ON MEMBRANE SURFACE IN A FILTER UNIT Non-Final OA SEDIGN SOLUTIONS PRIVATE LIMIED

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