Prosecution Insights
Last updated: April 19, 2026

Examiner: SEIFU, LESSANEWORK T

Tech Center 1700 • Art Units: 1637 1774 1797

This examiner grants 79% of resolved cases

Performance Statistics

79.3%
Allow Rate
+14.3% vs TC avg
1084
Total Applications
+0.0%
Interview Lift
883
Avg Prosecution Days
Based on 1049 resolved cases, 2023–2026

Rejection Statute Breakdown

0.6%
§101 Eligibility
27.4%
§102 Novelty
36.0%
§103 Obviousness
29.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17937619 METHOD FOR REDUCING ENERGY AND WATER DEMANDS OF SCRUBBING CO2 FROM CO2-LEAN WASTE GASES Non-Final OA SAUDI ARABIAN OIL COMPANY
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.
18194900 Systems for Polymer Fines Recovery Non-Final OA Chevron Phillips Chemical Company LP
18492784 SECONDARY BATTERY Non-Final OA Prime Planet Energy & Solutions, Inc.
18049085 METHOD AND APPARATUS FOR PREPARATION OF ALKYLENE CARBONATE USING POLYAMINE-HETEROGENEOUS CATALYST Non-Final OA KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
18162429 INITIATOR PARTICLE FOR DNA SYNTHESIS Non-Final OA Lenovo (Singapore) Pte. Ltd.
18133577 APPARATUS FOR AMMONIA CRACKING HYDROGEN SEPARATION Non-Final OA L'Air Liquide, Societe Anonyme pour l'Etude et l’Exploitation des Procedes Georges Claude
18247238 REACTOR AND METHOD FOR PRODUCING A PRODUCT AND USE Non-Final OA TEKNOLOGIAN TUTKIMUSKESKUS VTT OY
18315683 REGENERATION TOWER FOR CONTINUOUS CATALYTIC REFORMING PROCESS Non-Final OA UOP LLC
18790467 SYSTEMS AND METHODS FOR PYROLYSIS REACTIONS Non-Final OA Clean Hydrogen Technologies Corp
17954899 System and Method for Synthesizing Carbon Nanotubes and Hybrid Materials Via Catalytic Chemical Deposition Final Rejection Chasm Advanced Materials, Inc.
17572168 GAS EVACUATION DEVICE Final Rejection Microjet Technology Co., Ltd.
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.
18425124 Photocatalytic Reactor Cell Final Rejection Syzygy Plasmonics Inc.
18527590 ADDITION SYSTEM FOR ADDING MATERIAL TO INDUSTRIAL PROCESSES Final Rejection Johnson Matthey Process Technologies, Inc.
17997716 PROCESSES FOR REDUCING THE RATE OF PRESSURE DROP INCREASE IN A VESSEL Final Rejection Dow Technology Investments LLC
18299254 REACTOR AND RELATED SYSTEMS AND METHODS FOR FUEL GAS PRODUCTION Non-Final OA InnoTech Alberta Inc.
18106536 PROCESS AND PLANT FOR THERMAL DECOMPOSITION OF ALUMINIUM CHLORIDE HYDRATE INTO ALUMINIUM OXIDE Non-Final OA METSO OUTOTEC FINLAND OY
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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