Prosecution Insights
Last updated: April 19, 2026

Examiner: PAK, YONG D

Tech Center 1600 • Art Units: 1652

This examiner grants 74% of resolved cases

Performance Statistics

74.1%
Allow Rate
+14.1% vs TC avg
979
Total Applications
+14.0%
Interview Lift
1107
Avg Prosecution Days
Based on 924 resolved cases, 2023–2026

Rejection Statute Breakdown

7.0%
§101 Eligibility
21.8%
§102 Novelty
21.0%
§103 Obviousness
32.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18018094 INDUSTRIAL FERMENTATION PROCESS FOR BACILLUS USING FEED RATE SHIFT Non-Final OA BASF SE
18278159 BIOCATALYTICAL PRODUCTION OF DIHYDROCHALCONES Non-Final OA Symrise AG
18389809 MULTISTEP FINAL FILTRATION Non-Final OA Hoffmann-La Roche Inc.
18033837 MUTANT PROTEASE AND USE THEREOF Non-Final OA KAO CORPORATION
18029409 ALPHA-AMYLASE VARIANT Non-Final OA KAO CORPORATION
18296061 Hyperactive and hmC Dominant TET Enzymes Final Rejection THE TRUSTEES OF THE UNIVERSITY OF PENNSYLVANIA
18879096 L-GLUTAMIC ACID-PRODUCING MUTANT MICROORGANISM OF GENUS CORYNEBACTERIUM, AND METHOD FOR PRODUCING L-GLUTAMIC ACID USING SAME Non-Final OA DAESANG CORPORATION
18269666 ATP-PRT VARIANT WITH REDUCED FEEDBACK INHIBITION BY HISTIDINE, AND HISTIDINE-PRODUCING STRAIN EXPRESSING SAME Non-Final OA DAESANG CORPORATION
18269689 ATP-PRT VARIANT WITH REDUCED FEEDBACK INHIBITION BY HISTIDINE, AND HISTIDINE-PRODUCING STRAIN EXPRESSING SAME Non-Final OA DAESANG CORPORATION
18266447 NOVEL GAMMA-AMINOBUTYRATE PERMEASE VARIANT AND METHOD FOR PRODUCING ISOLEUCINE 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
18340527 POLYPEPTIDE AND YEAST CELL COMPOSITIONS AND METHODS OF USING THE SAME Final Rejection Wisconsin Alumni Research Foundation
18257143 AGENT FOR ACTIVATING A NEURON Non-Final OA KYOTO UNIVERSITY
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
18043532 PROTEASE VARIANTS WITH IMPROVED SOLUBILITY Non-Final OA Novozymes A/S
18042282 VARIANTS OF A FAMILY 44 XYLOGLUCANASE Final Rejection Novozymes A/S
18041167 PRODUCTION OF GLCNAC CONTAINING BIOPRODUCTS IN A CELL Final Rejection INBIOSE N.V.
17780088 Fungus Strain Having Decreased Viscosity Non-Final OA IFP Energies Nouvelles
17930965 IMMOBILIZED PROTEASES FOR ACTIVATION OF THE ZYMOGEN FORM OF TRANSGLUTAMINASE Non-Final OA Curie Co. Inc.
18709148 SEQUENCE FOR PROTEIN DECAY Non-Final OA TriTerp
18264091 TRANSAMINASE MUTANTS AND USES THEREOF Non-Final OA ASYMCHEM LABORATORIES (TIANJIN) CO., LTD
18685949 MICROORGANISM WITH IMPROVED PROTEIN PRODUCTIVITY AND USE THEREOF Non-Final OA AMANO ENZYME INC.
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
17910849 COMPOSITIONS AND METHODS FOR 2,5-FURAN DICARBOXYLIC ACID PRODUCTION Final Rejection Solugen, Inc.
17931943 Method of improving methyltransferase activity Final Rejection Danmarks Tekniske Universitet
18037918 GENETICALLY ENGINEERED BACTERIUM CAPABLE OF PRODUCING CYTOKININS WITH ISOPRENOID SIDE CHAINS Non-Final OA Acies Bio d.o.o.
18029273 GENETICALLY MODIFIED METHYLOBACILLUS BACTERIA HAVING IMPROVING PROPERTIES Non-Final OA Acies Bio d.o.o.
17790718 A COMPOSITION FOR IMPROVING UNPLEASANT TASTE CAUSED BY HIGH-INTENSITY SWEETENER Final Rejection ASAHI GROUP HOLDINGS, LTD.

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