Prosecution Insights
Last updated: August 18, 2026

Examiner: PAK, YONG D

Tech Center 1600 • Art Units: 1652

This examiner grants 75% of resolved cases

Performance Statistics

74.6%
Allow Rate
+14.6% vs TC avg
995
Total Applications
+14.3%
Interview Lift
1051
Avg Prosecution Days
Based on 947 resolved cases, 2023–2026

Rejection Statute Breakdown

6.8%
§101 Eligibility
19.1%
§102 Novelty
22.7%
§103 Obviousness
32.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18023946 ENZYME DEHYDROXYLATING HYDROXYL GROUP AT 9-POSITION OF UROLITHIN COMPOUND Non-Final OA DAICEL CORPORATION
18960980 SYSTEMS, COMPOSITIONS AND METHODS FOR IDENTIFYING E3 LIGASE SUBSTRATES BY UBIQUITIN BIOTINYLATION Non-Final OA Dana-Farber Cancer Institute, Inc.
18502266 SYSTEM AND METHOD OF OPTOGENETICALLY CONTROLLING METABOLIC PATHWAYS FOR THE PRODUCTION OF CHEMICALS Non-Final OA The Trustees of Princeton University
18568621 GERANYLGERANYL PYROPHOSPHATE SYNTHASE VARIANT AND METHOD OF PRODUCING TETRATERPENE, PRECURSOR THEREOF, AND MATERIAL HAVING TETRATERPENE AS PRECURSOR USING THE SAME Non-Final OA CJ CHEILJEDANG CORPORATION
16971209 A MICROORGANISM PRODUCING A MYCOSPORINE-LIKE AMINO ACID AND A METHOD FOR PRODUCING A MYCOSPORINE-LIKE AMINO ACID USING THE SAME Non-Final OA CJ CHEILJEDANG CORPORATION
18599745 PHOSPHORYLATION OF PHENOLIC PHYTOCHEMICALS BY TWO ENZYMES COUPLED SYSTEM Non-Final OA National Taiwan University
18891498 MICROORGANISMS AND METHODS FOR PRODUCING CIS,CIS-MUCONIC ACID Non-Final OA Wisconsin Alumni Research Foundation
18737647 RECOMBINANT MICROORGANISMS THAT CATABOLIZE LIGNIN AROMATICS AND METHODS OF USING SAME Non-Final OA Wisconsin Alumni Research Foundation
18684923 T7 RNA POLYMERASE VARIANTS FOR RNA SYNTHESIS Non-Final OA GLAXOSMITHKLINE BIOLOGICALS SA

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