Prosecution Insights
Last updated: May 29, 2026

Examiner: NGUYEN, TAM M

Tech Center 3700 • Art Units: 1625 1736 1759 1771 1772 1797 3764

This examiner grants 77% of resolved cases

Performance Statistics

77.2%
Allow Rate
+7.2% vs TC avg
1,044
Total Applications
+11.3%
Interview Lift
999
Avg Prosecution Days
Based on 970 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
3.3%
§102 Novelty
78.8%
§103 Obviousness
7.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18243192 FLUID CATALYTIC CRACKING METHOD EMPLOYING A WASTE PLASTIC FEEDSTOCK Non-Final OA Chevron U.S.A. Inc.
18128429 CIRCULAR ECONOMY FOR PLASTIC WASTE TO POLYPROPYLENE AND BASE OIL VIA REFINERY CRUDE UNIT Final Rejection Chevron U.S.A. Inc.
18606000 ROOM TEMPERATURE LIQUID METAL CATALYSTS AND METHODS OF USE Non-Final OA The Regents of the University of California
18699021 MANUFACTURING METHOD OF BUTADIENE Non-Final OA LG CHEM, LTD.
18623577 Steam Cracking Processes Having an Elevated Coil Outlet Pressure Non-Final OA ExxonMobil Technology and Engineering Company
18314919 Catalytic process for selective polyolefin hydrogenolysis Non-Final OA Massachusetts Institute of Technology
18719544 SYSTEMS AND METHODS FOR REMOVAL OF CONTAMINANTS FROM PYROLYSIS OIL DURING TRANSPORT Non-Final OA SABIC Global Technologies B.V.
18685628 CRACKER RECYCLES TO VALUE ADDED CHEMICALS Non-Final OA SABIC Global Technologies B.V.
18573056 SYSTEMS AND METHODS FOR PROCESSING MIXED PLASTIC WASTE Non-Final OA SABIC Global Technologies B.V.
18486371 METHOD FOR PRODUCING SUSTAINABLE AVIATION FUEL Final Rejection NATIONAL CHENG KUNG UNIVERSITY
18634379 USE OF RECYCLED BYPRODUCTS TO CREATE HYDROGEN FOR USE IN CONVERSION OF OLEFINS TO JET FUEL Final Rejection UOP LLC
18619005 PROCESS FOR HYDROTREATING A FEED STREAM COMPRISING A BIORENEWABLE FEEDSTOCK WITH TREATMENT OF AN OFF-GAS STREAM Non-Final OA UOP LLC
18528858 AROMATICS EXTRACTION THROUGH INTEGRATION OF COMPLEMENTARY CO-SOLVENTS Final Rejection UOP LLC
18243534 Process for Producing Jet Fuel from Isomerization and Hydrocracking Non-Final OA UOP LLC
18784030 APPARATUS, METHOD AND CATALYST FOR PROCESSING HYDROCARBONS FOR RECYCLING Non-Final OA REMARKABLE ENERGY LTD
18632407 HYDROCARBON RECOVERY UNITS WITH SEPARATORS CONFIGURED TO REDUCE LIQUID HYDROCARBON EXPOSURE TO REGENERATION GAS STREAMS Non-Final OA BASF CORPORATION
17780696 TWO-STEP PROCESS FOR CONVERTING LIQUEFIED WASTE PLASTICS INTO STEAM CRACKER FEED Final Rejection Neste Oyj
18284446 UPGRADING OF THE AROMATICS ORIGINATING FROM CATALYTIC CRACKED GASOLINES TO THE AROMATICS COMPLEX Non-Final OA IFP ENERGIES NOUVELLES
18269133 METHOD FOR OLIGOMERISATION IN A GAS/LIQUID REACTOR COMPRISING A CENTRAL DUCT Non-Final OA IFP ENERGIES NOUVELLES
18738400 PROCESS FOR PROVIDING A STREAM COMPRISING A HIGH PROPORTION OF 2,4,4-TRIMETHYLPENT-1-ENE Final Rejection Evonik Oxeno GmbH & Co. KG
18262041 PROCESS FOR HYDRODEPOLYMERIZATION OF POLYMERIC WASTE MATERIAL Non-Final OA Basell Poliolefine Italia S.r.l.
18431438 LPG SYNTHESIS FROM BIO-BASED SOURCES Final Rejection Lowell Street Ventures LLC
18629945 METHOD AND SYSTEM FOR PRODUCING REFINED HYDROCARBONS FROM WASTE PLASTICS Non-Final OA SK GEO CENTRIC CO., LTD.
18707533 METHODS AND SYSTEMS FOR REMOVING HOMOGENEOUS CATALYST-RELATED CONTAMINANTS PRESENT IN A HYDROCARBON PRODUCT Non-Final OA ExxonMobil Chemical Patents Inc.
18700359 Staged Alkylation for Producing Xylene Products Final Rejection ExxonMobil Chemical Patents Inc.
18566981 Processes for Dehydrogenating Alkane and Alkyl Aromatic Hydrocarbons Non-Final OA ExxonMobil Chemical Patents Inc.
17821539 PROCESSES FOR PRODUCING HYDROCARBON PRODUCTS Non-Final OA NUSEED GLOBAL INNOVATION LTD.
18697081 RUTHENIUM PHOSPHINIMIDE COMPLEXES AS ACTIVE OLEFIN METATHESIS CATALYSTS Non-Final OA Kansas State University Research Foundation
18610459 PROCESSES AND SYSTEMS FOR MAKING RECYCLE CONTENT HYDROCARBONS Non-Final OA ExxonMobil Product Solutions Company
17755344 PROCESSES AND SYSTEMS FOR FORMATION OF RECYCLE-CONTENT HYDROCARBON COMPOSITIONS Final Rejection ExxonMobil Product Solutions Company

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