Prosecution Insights
Last updated: August 18, 2026

Examiner: HE, QIANPING

Tech Center 2800 • Art Units: 1691 1776 2818

This examiner grants 67% of resolved cases

Performance Statistics

66.8%
Allow Rate
-1.2% vs TC avg
323
Total Applications
+15.0%
Interview Lift
1087
Avg Prosecution Days
Based on 265 resolved cases, 2023–2026

Rejection Statute Breakdown

2.0%
§101 Eligibility
20.1%
§102 Novelty
46.4%
§103 Obviousness
29.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18175004 FILTER, GAS SENSOR, AND GAS SENSOR SYSTEM Final Rejection KABUSHIKI KAISHA TOSHIBA
18800714 ULTRAVIOLET IRRADIATION UNIT AND AIR CONDITIONER Non-Final OA DAIKIN INDUSTRIES, LTD.
18603679 CLEANING APPARATUS, LITHOGRAPHY APPARATUS, AND ARTICLE MANUFACTURING METHOD Non-Final OA CANON KABUSHIKI KAISHA
17872711 HALOGEN-SUBSTITUTED 9,9-BIS(4-AMINOPHENYL)FLUORENE BASED POLYIMIDE MEMBRANES FOR GAS SEPARATION APPLICATIONS Final Rejection Saudi Arabian Oil Company
18326073 AMBIENT AIR PURIFICATION DEVICE Non-Final OA MANN+HUMMEL LIFE SCIENCES & ENVIRONMENT HOLDING SINGAPORE PTE. LTD.
18599411 METAL-ORGANIC FRAMEWORKS BASED ON UiO-66 AND METHOD FOR DIRECT AIR CAPTURE OF CARBON DIOXIDE Non-Final OA KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
18070550 GAS FILTER DEVICE AND RETICLE CARRIER PROVIDED WITH THE SAME Final Rejection GUDENG PRECISION INDUSTRIAL CO., LTD.
18191127 DUAL FILTRATION AND AUTO CLEANSING MECHANISM Non-Final OA Carrier Corporation
18587269 COMPOSITE COMPRISING A LIQUID CRYSTALALLINE COMPOUND AND AN ANISOTROPIC METAL ORGANIC FRAMEWORK PARTICLE, AND A LAMINATE COMPRISING THE SAME Non-Final OA KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
18777903 HAZARDOUS GAS DIRECT AIR CAPTURE MODULE AND SYSTEM Non-Final OA GE Infrastructure Technology LLC
18508510 HEATER ELEMENT AND VEHICLE INTERIOR PURIFICATION SYSTEM Final Rejection NGK INSULATORS, LTD.
18156097 SERVICE COVER FOR INSTALLING AND REMOVING FILTER ELEMENTS OF A FILTER ASSEMBLY Non-Final OA Caterpillar Inc.
18226705 FAN FILTER ASSEMBLY Final Rejection Johnson Controls Tyco IP Holdings LLP
18697822 SYSTEMS AND PROCESSES FOR MAINTAINING CONTINUOUS CARBON DIOXIDE CAPTURE UTILISING WASTE EXCESS ENERGY FROM PARALLEL AND DOWNSTREAM PROCESSES Non-Final OA SHELL USA, INC.
18293975 SELF-CLEANING DOMESTIC APPLIANCE Non-Final OA Dyson Technology Limited
18713103 SAFETY FILTER ELEMENT, FILTER SYSTEM, FILTER ASSEMBLY Non-Final OA Donaldson Company, Inc.
17956055 APPARATUS AND METHOD FOR AMMONIA WASTEWATER REDUCTION Non-Final OA Air Products and Chemicals, Inc.

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