Prosecution Insights
Last updated: April 19, 2026

Examiner: STEIN, MICHELLE

Tech Center 1700 • Art Units: 1771 1797

This examiner grants 44% of resolved cases

Performance Statistics

43.8%
Allow Rate
-21.2% vs TC avg
714
Total Applications
+34.6%
Interview Lift
1419
Avg Prosecution Days
Based on 653 resolved cases, 2023–2026

Rejection Statute Breakdown

0.8%
§101 Eligibility
8.7%
§102 Novelty
60.7%
§103 Obviousness
16.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18536687 METHODS FOR PROCESSING LIQUID ORGANIC HYDROGEN CARRIERS Non-Final OA Saudi Arabian Oil Company
18689773 LOW MASS LOSS ASPHALTS FROM HEAVY CRUDE OILS Non-Final OA EXXONMOBIL TECHNOLOGY AND ENGINEERING COMPANY
17048635 HEAVY OIL CRACKING DEVICE SCALEUP WITH MULTIPLE ELECTRICAL DISCHARGE MODULES Final Rejection The Texas A&M University System
17659821 PROCESS FOR OBTAINING ALKYL-NAPHTHENICS Non-Final OA PETRÓLEO BRASILEIRO S.A. - PETROBRAS
18564407 A METHOD OF DETERMINING A CARBURISATION MODEL OF A COIL OF A STEAM CRACKING FURNACE Final Rejection Linde GmbH
18578697 PRODUCTION OF FUEL HAVING RENEWABLE CONTENT FROM A LOW CARBON NUMBER FRACTION Final Rejection Iogen Corporation
17637206 METHOD FOR PRODUCING A FUEL USING RENEWABLE HYDROGEN Final Rejection Iogen Corporation
18006545 PROCESS AND PLANT FOR PRODUCING GASOLINE FROM A RENEWABLE FEED Final Rejection Topsoe A/S
17664301 METHOD FOR MANUFACTURING HIGH YIELD MESOPHASE PITCH AND HIGH YIELD MESOPHASE PITCH MANUFACTURED THEREFROM Final Rejection KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
18551932 Mesophase Pitch Compositions from Aromatic Feedstocks, Methods of Making the Same, and Uses Thereof Final Rejection ExxonMobil Chemical Patents Inc.
18245928 Hydrocarbon Fluids Final Rejection ExxonMobil Chemical Patents Inc.
18000238 Hydrocarbon Pyrolysis of Advantaged Feeds Non-Final OA ExxonMobil Chemical Patents Inc.
17995362 HYDROCARBON PYROLYSIS OF FEEDS CONTAINING NITROGEN Final Rejection ExxonMobil Chemical Patents Inc.
17627842 Processes and Systems for Upgrading a Hydrocarbon-Containing Feed Non-Final OA ExxonMobil Chemical Patents Inc.
18618056 Method For Processing Heavy Petroleum Feedstock Non-Final OA TAIF Joint-Stock Company
18615264 Composition and Method of Use of a Concentrated Asphaltene Polymer Residue from VTAE Final Rejection Safety-Kleen Systems, Inc.
16881032 OPTIMUM STEAM ADDITION TO CRACKING COILS TO CRACK PYOIL Final Rejection ExxonMobil Product Solutions Company
18685459 ELECTRICALLY HEATED CRACKING FURNANCE AND THERMAL ENERGY RECOVERY DEVICE Final Rejection ARVOS GmbH
18526544 INTEGRATED PROCESS FOR PRODUCTION OF CHEMICAL FROM CRUDE OIL USING SLURRY HYDROCRACKING Non-Final OA Indian Oil Corporation Limited
17415836 PROCESS FOR POLYMER MIXTURE HYDROCONVERSION Final Rejection VERSALIS S.P.A.
18247106 RECOVERY OF ALIPHATIC HYDROCARBONS Non-Final OA SHELL OIL COMPANY
18101861 HIGH PERFORMANCE PROCESS OIL BASED ON DISTILLED AROMATIC EXTRACTS Final Rejection Ergon, Inc.
18249446 METHOD AND SYSTEM FOR PRODUCING FUEL OIL AND USE THEREOF, AND FUEL OIL AND USE THEREOF Final Rejection SINOPEC Dalian Research Institute of Petroleum and Petrochemicals Co., Ltd.
18211868 METHOD FOR REMOVING ASPHALTENES, RESINS AND HEAVY METALS FROM CRUDE OIL Non-Final OA ROCK SPRINGS ENERGY GROUP, LLC
18033854 AN AGGLOMERATION-BASED OIL-WATER SEPARATION PROCESS Final Rejection HIS MAJESTY THE KING IN RIGHT OF CANADA AS REPRESENTED BY THE MINISTER OF NATURAL RESOURCES
18031975 PROCESS FOR THE CONTROL OF SOFTENING POINTS OF PETROLEUM HYDROCARBON MATERIALS Final Rejection ADVEN INDUSTRIES INC.
17181559 LIQUID/LIQUID EXTRACTION OF HYDROCARBONS IN BULK STORAGE TANKS Final Rejection Macquarie Commodities Trading US, LLC
17426433 A PROCESS FOR PRODUCING SYNTHETIC JET FUEL Non-Final OA GREENFIELD GLOBAL INC.
16081947 METHOD AND CATALYST FOR PRODUCING HIGH OCTANE COMPONENTS Non-Final OA LLC "NGT-synthesis"

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