Prosecution Insights
Last updated: May 29, 2026

Examiner: SEIFU, LESSANEWORK T

Tech Center 1700 • Art Units: 1637 1731 1732 1735 1736 1774 1797

This examiner grants 79% of resolved cases

Performance Statistics

79.4%
Allow Rate
+14.4% vs TC avg
1,090
Total Applications
+0.7%
Interview Lift
842
Avg Prosecution Days
Based on 1058 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
12.6%
§102 Novelty
57.5%
§103 Obviousness
20.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18754539 AROMA GENERATOR Non-Final OA SONY GROUP CORPORATION
17627952 Precursor for Positive Electrode Active Material, Manufacturing Method Thereof, And Manufacturing Apparatus Thereof Final Rejection LG Chem, Ltd.
17954899 System and Method for Synthesizing Carbon Nanotubes and Hybrid Materials Via Catalytic Chemical Deposition Final Rejection Chasm Advanced Materials, Inc.
18610232 Articles Formed of Pulp Base Materials With Modulated Scent Release Non-Final OA Enviroscent, inc.
18587678 SYSTEM AND METHOD FOR DESULFURIZATION OF HYDROCARBON FUELS Non-Final OA Alternative Environmental Technologies Sulfex Corp.
18527590 ADDITION SYSTEM FOR ADDING MATERIAL TO INDUSTRIAL PROCESSES Final Rejection Johnson Matthey Process Technologies, Inc.
18153874 CIRCULATION CONTROL IN DUAL BED GASIFIERS Final Rejection Highbury Energy Inc.
18106536 PROCESS AND PLANT FOR THERMAL DECOMPOSITION OF ALUMINIUM CHLORIDE HYDRATE INTO ALUMINIUM OXIDE Non-Final OA METSO OUTOTEC FINLAND OY
17997716 PROCESSES FOR REDUCING THE RATE OF PRESSURE DROP INCREASE IN A VESSEL Final Rejection Dow Technology Investments LLC
18024464 TUBULAR REACTORS Final Rejection UNISA
18014027 METHOD AND DEVICE FOR RECYCLING WASTE MATERIALS CONTAINING VALUABLE METALS Non-Final OA AURA Technologie GMBH

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