Prosecution Insights
Last updated: April 19, 2026

Examiner: SORKIN, DAVID L

Tech Center 1700 • Art Units: 1774 1797

This examiner grants 67% of resolved cases

Performance Statistics

67.3%
Allow Rate
+2.3% vs TC avg
1213
Total Applications
+12.5%
Interview Lift
1182
Avg Prosecution Days
Based on 1170 resolved cases, 2023–2026

Rejection Statute Breakdown

0.6%
§101 Eligibility
32.8%
§102 Novelty
32.7%
§103 Obviousness
27.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18595146 BOWL ASSEMBLY FOR A MICRO-PUREE MACHINE Final Rejection SharkNinja Operating LLC
18526216 MICRO PUREE MACHINE Final Rejection SharkNinja Operating LLC
17920876 MODULAR BLENDER AND METHOD OF USING SAME Non-Final OA Merck Sharp & Dohme LLC
18569137 DIRECT FEED PROPPANT SYSTEM Non-Final OA NATIONAL OILWELL VARCO, L.P.
18355902 CONDITIONING DRILLING FLUID Non-Final OA Saudi Arabian Oil Company
18103798 ADAPTER AND ASSEMBLY FOR PHARMACEUTICAL COMPOUNDING Non-Final OA MEDISCA PHARMACEUTIQUE INC.
18642036 MIXER AUTONOMY MODE Non-Final OA Oshkosh Corporation
18305538 PIPE SEGMENTS, NOZZLES, SYSTEMS AND METHODS FOR THERMOSET MANUFACTURING Non-Final OA The Boeing Company
18258645 JET NOZZLE FOR POWDER HANDLING APPARATUS Non-Final OA Tetra Laval Holdings & Finance S.A.
18114580 IMMERSION BLENDER Final Rejection WHIRLPOOL CORPORATION
18174002 SYSTEMS AND RELATED METHODS FOR DISPERSING PARTICLES IN A FLUID OF A FLUID CONTAINER Non-Final OA BATTELLE SAVANNAH RIVER ALLIANCE, LLC
18239103 METHODS AND COMPOSITIONS FOR CONCRETE PRODUCTION Non-Final OA CARBONCURE TECHNOLOGIES INC.
18297504 METHODS FOR OPERATING A BIOREACTOR WITH IMPELLER ASSEMBLY AND RELATED BIOREACTORS Final Rejection LIFE TECHNOLOGIES CORPORATION
18380129 ADDITIVE DELIVERY CONTROL SYSTEMS AND METHODS Non-Final OA Cirkul, Inc.
18267910 ROTOR SHAFT COMPRISING A HELIX FOR A DYNAMIC MIXER FOR MIXING LOW- TO HIGH-VISCOSITY COMPONENTS Non-Final OA Kulzer GmbH
18200005 APPARATUS FOR MANUFACTURING COSMETICS Final Rejection AMOREPACIFIC CORPORATION
18127977 APPARATUS FOR MANUFACTURING COSMETIC AND CONTROL METHOD THEREOF Non-Final OA Amorepacific Corporation
18042460 JET IMPINGEMENT REACTOR Non-Final OA leon-nanodrugs GmbH
18258432 HELICAL MIXER Non-Final OA Radiometer Medical ApS
18252513 END OF HOSE MIXING SYSTEMS AND METHODS Non-Final OA Dyno Nobel Asia Pacific Pty Limited
18382989 ALKALINE ACTIVATED CEMENT METHODS AND COMPOSITIONS Non-Final OA MATERIAL. EVOLUTION LTD.
17905609 LINEAR PULSATING TYPE MAGNETIC MIXING SYSTEM AND AN ASSOCIATED METHOD OF OPERATION Non-Final OA GLOBAL LIFE SCIENCES SOLUTIONS USA LLC
18349519 TUBE HOLDER Final Rejection Heathrow Scientific LLC
18036330 STIRRING IMPELLER, ARRANGEMENT AND USE Non-Final OA Metso Outotec Finland Oy
18334052 Laboratory Instrument with Mixing Mechanism for Mixing a Medium of a Slide Non-Final OA QInstruments GmbH
18142344 CONTAINER FOR MIXING LIQUIDS Final Rejection TROVE IP HOLDINGS LLC
18117030 HANDHELD APPLIANCE Non-Final OA StoreBound LLC
17920364 REFINER, INSTALLATION AND METHOD FOR TREATING COMPOSITE PRODUCTS Final Rejection SOPREMA
17064886 LOCK MODE FOR A BLENDER Non-Final OA MavorCo Operations LLC

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