Prosecution Insights
Last updated: May 29, 2026

Examiner: DRODGE, JOSEPH W

Tech Center 1700 • Art Units: 1652 1735 1758 1772 1773 1774 1778 1797

This examiner grants 78% of resolved cases

Performance Statistics

78.2%
Allow Rate
+13.2% vs TC avg
2,035
Total Applications
+38.1%
Interview Lift
967
Avg Prosecution Days
Based on 2006 resolved cases, 2023–2026

Rejection Statute Breakdown

1.2%
§101 Eligibility
2.7%
§102 Novelty
70.2%
§103 Obviousness
21.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18540970 METHODS AND SYSTEMS FOR ASSESSING CHROMATOGRAPHIC COLUMN INTEGRITY Non-Final OA Regeneron Pharmaceuticals, Inc.
18402220 PROCESSING A FLUID EMULSION Non-Final OA Saudi Arabian Oil Company
18573865 CARBON REMOVAL FROM SEAWATER AND OTHER LIQUIDS USING PHOTOACTIVE COMPOUNDS Non-Final OA University of Washington
18440494 FLUORINATED FILTER MEMBRANE, FILTERS, AND METHODS Non-Final OA ENTEGRIS, INC.
18323996 SELECTIVE APPROACH TO SEPARATE AND CONCENTRATE RARE EARTH ELEMENTS Non-Final OA UNIVERSITY OF UTAH RESEARCH FOUNDATION
18405173 METHOD AND DEVICE FOR MONITORING CHLORINE IN A POOL Non-Final OA Ecolab USA Inc.
18558877 MODULE FOR ATTRACTING AND DETECTING DEBRIS Non-Final OA SAFRAN AERO BOOSTERS
18837411 METHOD FOR PRODUCING GELATINIZED STARCH DRY POWDER, GELATINIZED STARCH DRY POWDER, GELATINIZED BUCKWHEAT DRY POWDER, AND DEVICE FOR PRODUCING GELATINIZED STARCH DRY POWDER Non-Final OA Akihiro NISHIOKA
18570910 METHOD FOR SEPARATING AND QUANTIFYING SATURATED AND UNSATURATED DIALKYL KETONES Non-Final OA FUJI OIL HOLDINGS INC.
18439725 Zero Discharge Water Treatment Apparatus and Method Non-Final OA Zero Discharge LLC
18573106 PURIFICATION OF OIL Non-Final OA SKF RECONDOIL AB
18573095 COMMERCIAL PURIFICATION METHOD FOR HIGH-PURITY BACTERIAL EXTRACELLULAR VESICLES Non-Final OA ROSETTA EXOSOME CO., LTD
18386974 FLUIDIZED BED SORTER Non-Final OA Rory Korathu-Larson, LLC
18242548 COUNTERTOP WATER DISPENSING SYSTEM Non-Final OA Ningbo eastpure environmental technology co., Ltd
18264607 METHOD FOR USING TANGENTIAL FLOW ULTRAFILTRATION TECHNOLOGY TO PREPARE CONTROLLABLE HIGH CONCENTRATION SILK FIBROIN SOLUTION Non-Final OA FAVORSUN MEDICAL TECH. (SUZHOU) CO., LTD.
18357527 FLUID INTERCEPTION DEVICE FOR A MEDICAL CLEANING SYSTEM Non-Final OA W & H STERILIZATION S.r.l.
18271331 FLUIDIC SEPARATORS AND ASSOCIATED METHODS Non-Final OA Zaiput Flow Technologies LLC

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