Prosecution Insights
Last updated: August 17, 2026

Examiner: SANG, HONG

Tech Center 1600 • Art Units: 1643 1645 1646

This examiner grants 55% of resolved cases

Performance Statistics

54.7%
Allow Rate
-5.3% vs TC avg
967
Total Applications
+62.6%
Interview Lift
1270
Avg Prosecution Days
Based on 923 resolved cases, 2023–2026

Rejection Statute Breakdown

4.5%
§101 Eligibility
16.9%
§102 Novelty
28.3%
§103 Obviousness
29.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19399287 NK-92 Cells with Cytokine Induced Memory-Like Cytotoxicity And Derivatives Thereof Final Rejection ImmunityBio, Inc.
18549844 GENERATION OF HUMAN PEANUT ALLERGEN-SPECIFIC IGE MONOCLONAL ANTIBODIES FOR DIAGNOSTIC AND THERAPEUTIC USE Non-Final OA VANDERBILT UNIVERSITY
18447109 METHODS AND COMPOSITIONS RELATED TO ANTIBODY FRAGMENTS THAT BIND TO TUMOR-ASSOCIATED GLYCOPROTEIN 72 (TAG-72) Non-Final OA OHIO STATE INNOVATION FOUNDATION
17808402 ANTIBODIES AND METHOD OF PRODUCING ANTIBODIES Non-Final OA ARIZONA BOARD OF REGENTS ON BEHALF OF ARIZONA STATE UNIVERSITY
18550484 METHODS FOR ACTIVATION AND EXPANSION OF NATURAL KILLER CELLS AND COMBINATIONS WITH BISPECIFIC ANTIBODIES Non-Final OA BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM

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