Prosecution Insights
Last updated: May 29, 2026

Examiner: PAK, YONG D

Tech Center 1600 • Art Units: 1652

This examiner grants 74% of resolved cases

Performance Statistics

74.4%
Allow Rate
+14.4% vs TC avg
983
Total Applications
+13.7%
Interview Lift
1049
Avg Prosecution Days
Based on 931 resolved cases, 2023–2026

Rejection Statute Breakdown

2.7%
§101 Eligibility
15.4%
§102 Novelty
33.8%
§103 Obviousness
9.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
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
18023946 ENZYME DEHYDROXYLATING HYDROXYL GROUP AT 9-POSITION OF UROLITHIN COMPOUND Non-Final OA DAICEL CORPORATION
18029409 ALPHA-AMYLASE VARIANT Non-Final OA KAO CORPORATION
18278159 BIOCATALYTICAL PRODUCTION OF DIHYDROCHALCONES Non-Final OA Symrise AG
18311977 CIRCULARLY PERMUTED DEHALOGENASE VARIANTS Non-Final OA Promega Corporation
18340527 POLYPEPTIDE AND YEAST CELL COMPOSITIONS AND METHODS OF USING THE SAME Final Rejection Wisconsin Alumni Research Foundation
18041167 PRODUCTION OF GLCNAC CONTAINING BIOPRODUCTS IN A CELL Final Rejection INBIOSE N.V.
17930965 IMMOBILIZED PROTEASES FOR ACTIVATION OF THE ZYMOGEN FORM OF TRANSGLUTAMINASE Non-Final OA Curie Co. Inc.
18257143 AGENT FOR ACTIVATING A NEURON Non-Final OA KYOTO UNIVERSITY
18709148 SEQUENCE FOR PROTEIN DECAY Non-Final OA TriTerp
18264091 TRANSAMINASE MUTANTS AND USES THEREOF Non-Final OA ASYMCHEM LABORATORIES (TIANJIN) CO., LTD
18401373 SUBTILASE VARIANTS AND POLYNUCLEOTIDES ENCODING SAME Final Rejection NOVOZYMES A/S
18570301 METHOD FOR CONTROLLING SLIME IN A PULP OR PAPER MAKING PROCESS Non-Final OA Novozymes A/S
18517607 Compositions Comprising Polypeptides Having Mannanase Activity Non-Final OA Novozymes A/S
18043532 PROTEASE VARIANTS WITH IMPROVED SOLUBILITY Non-Final OA Novozymes A/S
18042282 VARIANTS OF A FAMILY 44 XYLOGLUCANASE Final Rejection Novozymes A/S
18587167 RECOMBINANT YEAST HOST CELL EXPRESSING AN HYDROLASE Final Rejection Lallemand Hungary Liquidity Management LLC
17548372 METHODS FOR PRODUCING ISOPROPANOL AND ACETONE IN A MICROORGANISM Final Rejection Lallemand Hungary Liquidity Management LLC
17928680 PHENYLALANINE HYDROXYLASE VARIANTS AND USES THEREOF Final Rejection ModernaTX, Inc.
17910849 COMPOSITIONS AND METHODS FOR 2,5-FURAN DICARBOXYLIC ACID PRODUCTION Non-Final OA Solugen, Inc.
18002747 BACTERIAL CELLS AND METHODS FOR PRODUCTION OF 2-FLUORO-CIS,CIS-MUCONATE Final Rejection Danmarks Tekniske Universitet
17931943 Method of improving methyltransferase activity Final Rejection Danmarks Tekniske Universitet
18269689 ATP-PRT VARIANT WITH REDUCED FEEDBACK INHIBITION BY HISTIDINE, AND HISTIDINE-PRODUCING STRAIN EXPRESSING SAME Final Rejection DAESANG CORPORATION
18269666 ATP-PRT VARIANT WITH REDUCED FEEDBACK INHIBITION BY HISTIDINE, AND HISTIDINE-PRODUCING STRAIN EXPRESSING SAME Final Rejection DAESANG CORPORATION
18471899 MODIFIED L-ASPARAGINASE Final Rejection Jazz Pharmaceuticals Ireland Ltd.
18267491 ENZYMES AND METHODS FOR FERMENTATIVE PRODUCTION OF MONOTERPENE ESTERS Non-Final OA ISOBIONICS B.V.
18255791 METHOD OF PRODUCING GLOBIN POLYPEPTIDE RECOMBINANTLY AND MEAT SUBSTITUTE FOOD PRODUCT Non-Final OA PLANEAT FOODS PTE. LTD.
18327946 EXTRACTION OF PSILOCYBIN AND PSILOCIN Non-Final OA CHEMTOR, LP
18254593 POLYPEPTIDES FOR USE IN THE SYNTHESIS OF BIOACTIVE PHENOLIC COMPOUNDS Non-Final OA Kristen VAN GELDER
18037918 GENETICALLY ENGINEERED BACTERIUM CAPABLE OF PRODUCING CYTOKININS WITH ISOPRENOID SIDE CHAINS Non-Final OA Acies Bio d.o.o.

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