Prosecution Insights
Last updated: April 19, 2026

Examiner: RUNYAN, SILVANA C

Tech Center 3600 • Art Units: 1768 3674 3676

This examiner grants 82% of resolved cases

Performance Statistics

82.0%
Allow Rate
+30.0% vs TC avg
1086
Total Applications
+17.4%
Interview Lift
834
Avg Prosecution Days
Based on 1032 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
25.0%
§102 Novelty
41.0%
§103 Obviousness
24.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19227001 WATERFLOODING SYSTEM AND PROCESS TO PREVENT SCALE PRECIPITATION IN OIL FIELDS Non-Final OA SAUDI ARABIAN OIL COMPANY
19214877 METHOD FOR WELL STIMULATION USING NANOBUBBLES Non-Final OA Saudi Arabian Oil Company
19013793 DUAL-POLYMER HYDRAULIC FRACTURING FLUID AND METHOD FOR PUMPING THE SAME INTO SUBTERRANEAN FORMATIONS Non-Final OA SAUDI ARABIAN OIL COMPANY
18767464 DOWNHOLE SLUDGE REMOVAL Non-Final OA Saudi Arabian Oil Company
18670749 FOAMED WETTABILITY ALTERATION TREATMENT FOR DEEP CONDENSATE AND WATER BLOCKAGE IN GAS RESERVOIRS Non-Final OA SAUDI ARABIAN OIL COMPANY
18416518 METHOD OF USING TRACER COMPOSITIONS HAVING A DEGRADABLCE POLYMER AND A DETECTABLE COMPONENT FOR TRACING GAS FLOW IN A HYDROCARBON RESERVOIR Non-Final OA Saudi Arabian Oil Company
18828253 AROMATIC COPOLYESTER THERMOSET DOWNHOLE TOOLS Non-Final OA Halliburton Energy Services, Inc.
18759316 METHOD OF USING DEGRADABLE GLASS FIBERS FOR DOWNHOLE TOOLS Final Rejection Halliburton Energy Services, Inc.
18622373 ELASTOMERIC WELLBORE SEAL WITH SILICON-BASED POLYMER Non-Final OA Halliburton Energy Services, Inc.
19226395 SYSTEM AND METHOD FOR INJECTING A GAS INTO A SUBSURFACE GEOTHERMAL FORMATION Non-Final OA Schlumberger Technology Corporation
18995682 APPLICATION OF ORGANIC OXIDIZER AND ENZYME COMBINATION AS BREAKER FLUID FOR FILTER CAKE CLEANUP Final Rejection SCHLUMBERGER TECHNOLOGY CORPORATION
18284145 SLIDING COMPONENT Final Rejection EAGLE INDUSTRY CO., LTD.
18447540 PROCESS FOR PRODUCING ALKOXYSILOXANES FROM WASTE SILICONE Non-Final OA Evonik Operations GmbH
19273006 METHODS FOR CARBON DIOXIDE OR HYDROGEN SULFIDE SEQUESTRATION IN A SUBTERRANEAN RESERVOIR USING SORBENT PARTICLES Non-Final OA Cenovus Energy Inc.
18214579 METHOD FOR PRODUCING BISPHENOL A AND METHOD FOR PRODUCING POLYCARBONATE RESIN Non-Final OA MITSUBISHI CHEMICAL CORPORATION
19205646 SYSTEM AND METHOD TO FRACTURE AND SEAL SUBTERRANEAN FORMATIONS Non-Final OA Quidnet Energy, Inc.
19071613 SYSTEM AND METHOD TO STORE FLUID UNDERGROUND Final Rejection Quidnet Energy, Inc
18844951 Chemical Production Inside a Well Tubular/Casing Non-Final OA Baker Hughes Oilfield Operations LLC
19124493 METHOD TO CONTROL A WELL Non-Final OA ITALMATCH CHEMICALS GB LTD
18753997 System And Method For Carrying Out Different Modalities Of Simultaneous Capture, Utilization And Storage Of CO2 Final Rejection PETRÓLEO BRASILEIRO S.A. - PETROBRAS
19169781 REMOVAL OF HAZARDOUS CHEMICALS DURING DRILLING IN HYDROCARBON FORMATIONS Final Rejection CONOCOPHILLIPS COMPANY
19015573 SLOW REACTING ACIDIZING COMPOSITIONS AND METHODS Final Rejection ENERGY SOLUTIONS (US) LLC
19007337 SYSTEM AND METHOD FOR ENHANCED OIL RECOVERY UTILIZING ALTERNATING STACKED LIQUID AND GAS SLUGS Final Rejection EOR ETC LLC
18347821 POLYAMIDE RECOVERY FOR ENZYMATIC DEPOLYMERIZATION Non-Final OA Battelle Memorial Institute
18940306 TREATED GEOTHERMAL BRINE COMPOSITIONS WITH REDUCED CONCENTRATIONS OF SILICA, IRON AND MANGANESE Non-Final OA TERRALITHIUM LLC
18932231 ECO-FRIENDLY CARBOXYMETHYL CELLULOSE-BASED PREFORMED PARTICLE GELS FOR CONFORMANCE CONTROL IN OIL AND GAS RESERVOIRS Non-Final OA Qatar Foundation for Education, Science and Community Development
18467701 METHOD OF RECYCLING POLYESTER FABRIC Non-Final OA NAN YA PLASTICS CORPORATION
18693754 DOWNHOLE TOOL OR MEMBER THEREOF Final Rejection Kureha Corporation
18827255 METHODS AND FORMULATIONS FOR ENHANCED OIL RECOVERY Non-Final OA PIRI TECHNOLOGIES, LLC
18260105 A METHOD OF RECYCLING POLY(VINYL BUTYRAL) FROM MULTILAYER POLY(VINYL BUTYRAL) SHEETS Non-Final OA SOLUTIA INC.

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