Prosecution Insights
Last updated: August 17, 2026

Examiner: HUANG, RYAN

Tech Center 3700 • Art Units: 1777 3754

This examiner grants 52% of resolved cases

Performance Statistics

52.4%
Allow Rate
-17.6% vs TC avg
612
Total Applications
+31.5%
Interview Lift
1212
Avg Prosecution Days
Based on 557 resolved cases, 2023–2026

Rejection Statute Breakdown

2.4%
§101 Eligibility
14.4%
§102 Novelty
50.6%
§103 Obviousness
25.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18026661 LAMINATE Non-Final OA DAIKIN INDUSTRIES, LTD.
18192110 POLYSULFONE-BASED MEMBRANE FOR FRACTIONATION OF ERICHROME BLACK T (EBT)/DIVALENT SALTS, AND A METHOD OF MAKING THE SAME Final Rejection KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
18296830 CERAMIC FILTRATION ELEMENT Final Rejection MANN+HUMMEL LIFE SCIENCES & ENVIRONMENT HOLDING SINGAPORE PTE. LTD.
18319884 ENHANCING WATER CHEMISTRY FOR IMPROVED WELL PERFORMANCE Final Rejection Chevron U.S.A. Inc.
16474412 Monitoring Performance in Continuous Chromatography Final Rejection CYTIVA SWEDEN AB
16474455 Bioprocess Purification System and Method Final Rejection Cytiva Sweden AB
18168913 WATER FILTRATION ASSEMBLY WITH ENHANCED CONTAMINANT REDUCTION PERFORMANCE Final Rejection Haier US Appliance Solutions, Inc.

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