Prosecution Insights
Last updated: August 18, 2026

Examiner: SINGH, PREM C

Tech Center 1700 • Art Units: 1771 1797

This examiner grants 59% of resolved cases

Performance Statistics

59.0%
Allow Rate
-6.0% vs TC avg
364
Total Applications
+33.1%
Interview Lift
1474
Avg Prosecution Days
Based on 356 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
8.7%
§102 Novelty
71.0%
§103 Obviousness
9.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19040954 DIRECT CONVERSION OF PLASTIC DERIVED OIL AND LIGHT CRUDE OIL TO PRODUCE CIRCULAR CHEMICALS AND LOW CARBON FUELS Non-Final OA Saudi Arabian Oil Company
18759458 HYDROCONVERSION OF A BIOMASS FEEDSTOCK TO HYDROCARBON FUELS IN A SLURRY PHASE CATALYST REACTOR Final Rejection CHEVRON U.S.A. INC.
18006628 Low carbon hydrogen fuel Final Rejection TOPSOE A/S
18863213 Processes and Systems for Fractionating a Pyrolysis Effluent Non-Final OA ExxonMobil Chemical Patents Inc.
18148470 DEVICE FOR SYNTHESIZING HOMOGENEOUS POLYMER SPHERES BASED ON CHANNEL PREPOLYMERIZATION, AND METHOD OF USING THE SAME Non-Final OA NANJING UNIVERSITY

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