Prosecution Insights
Last updated: April 19, 2026

Examiner: KOROTCHKINA, LIOUBOV G

Tech Center 1600 • Art Units: 1653

This examiner grants 29% of resolved cases

Performance Statistics

29.3%
Allow Rate
-30.7% vs TC avg
104
Total Applications
+59.0%
Interview Lift
1322
Avg Prosecution Days
Based on 41 resolved cases, 2023–2026

Rejection Statute Breakdown

5.1%
§101 Eligibility
10.8%
§102 Novelty
45.1%
§103 Obviousness
28.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
16484869 Method of Making Proteins with Non-Standard Amino Acids Non-Final OA President and Fellows of Harvard College
17786864 INCREASING SPACE-TIME-YIELD, CARBON-CONVERSION-EFFICIENCY AND CARBON SUBSTRATE FLEXIBILITY IN THE PRODUCTION OF FINE CHEMICALS Final Rejection BASF SE
17605919 BETA-AMYLASE VARIANTS Final Rejection BASF SE
17432204 INDUSTRIAL FERMENTATION PROCESS FOR BACILLUS USING DEFINED MEDIUM AND MAGNESIUM FEED Final Rejection BASF SE
18255344 SYNTHETIC MIXED CULTURE RESEMBLING A SKIN MICROBIOME Non-Final OA Evonik Operations GmbH
17924243 METHOD FOR PRODUCING HIGHER LINEAR FATTY ACIDS OR ESTERS Final Rejection EVONIK OPERATIONS GMBH
17041851 REAL-TIME MONITORING OF PROTEIN CONCENTRATION USING ULTRAVIOLET SIGNAL Final Rejection BRISTOL-MYERS SQUIBB COMPANY
17414288 FORMULATIONS FOR EGG ORAL IMMUNOTHERAPY, METHODS OF MANUFACTURE, AND TREATMENTS FOR EGG ALLERGY Non-Final OA Société des Produits Nestlé S.A.
17426448 NONCOVALENT TAGS AND RELATED METHODS FOR CYTOSOLIC DELIVERY OF MACROBIOMOLECULES Non-Final OA University of Washington
17617466 COSMETIC COMPOSITION COMPRISING A COMBINATION OF AT LEAST ONE OLIGOSACCHARIDE AND/OR POLYSACCHARIDE COMBINED WITH A MANNOSE MONOSACCHARIDE, AND USE THEREOF IN MAINTAINING THE BALANCE OF THE BACTERIAL SKIN FLORA Non-Final OA L'OREAL
17769047 PROGRAMMABLE RNA EDITING PLATFORM Non-Final OA NANYANG TECHNOLOGICAL UNIVERSITY
17915190 CULTURE MEDIUM COMPOSITION FOR INCREASING GROWTH AND METABOLIC RATE OF ACETOGENIC STRAIN AND METHOD FOR CULTURING ACETOGENIC STRAIN USING THE SAME Final Rejection GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
17507800 Mutant Glucose Dehydrogenase Having Improved Thermal Stability, and Use Thereof Non-Final OA ARKRAY, Inc.
17605648 MICROORGANISM WITH ENHANCED L-HISTIDINE PRODUCTION CAPACITY AND METHOD FOR PRODUCING HISTIDINE BY USING SAME Final Rejection CJ CHEILJEDANG CORPORATION
18076680 METHOD AND RECOMBINANT POLYPEPTIDE FOR INCREASING PRODUCTION OF INDIGOID COMPOUND Final Rejection National Tsing Hua University
18350982 METHOD FOR PRODUCING PHYTOSPHINGOSINE OR PHYTOCERAMIDE Non-Final OA DANSTAR FERMENT AG
17924704 THERMOSTABLE GLUCOCEREBROSIDASE Final Rejection TEIKYO UNIVERSITY
18006798 Compositions and Methods for Treating Infections of the Gastrointestinal Tract Final Rejection Icahn School of Medicine at Mount Sinai
18264400 FERMENTATION METHOD FOR MUPIROCIN Non-Final OA HANGZHOU ZHONGMEIHUADONG PHARMACEUTICAL CO., LTD.
17613752 COMPOSITIONS AND METHODS FOR PRODUCING STEVIOL GLYCOSIDES Non-Final OA Arzeda Corp.
17615713 WALKING ABILITY IMPROVER Final Rejection Asahi Group Holdings, Ltd.
18455215 LACTIC ACID BACTERIUM AND METHOD FOR PREVENTING OR TREATING ALLERGY BY ADMINISTERING SAME Non-Final OA Bened Biomedical Co., Ltd.
18450612 Recombinant Escherichia coli producing xylitol from xylose, method for preparing the same, and uses thereof Non-Final OA MYONGJI UNIVERSITY INDUSTRY AND ACADEMIA COOPERATION FOUNDATION
17754400 SEPARATION OF NEUTRAL OLIGOSACCHARIDES FROM FERMENTATION BROTH Non-Final OA Glycom A/S
17610600 Probiotic Lyophilizate Reactivation Composition for Improving Intestinal Survivability and Adhesion of Probiotics Non-Final OA COSMAX NS, INC.
18030501 Clotting Factor Variants and Their Use Non-Final OA Children's Healthcare of Atlanta
18188995 RECOMBINANT MICROORGANISM AND A METHOD FOR ITACONIC ACID PRODUCTION Non-Final OA NATIONAL CHEN KUNG UNIVERSITY
18041805 BACILLUS ALTITUDINIS AND APPLICATION OF ACTIVE SUBSTANCE COMPOUND SOLUTION AND MICROBIAL INOCULUM THEREOF IN CONTROL OF ROOT-KNOT NEMATODE DISEASE Final Rejection SHANDONG AGRICULTURAL UNIVERSITY
17768871 USE OF GLYCEROL FOR INCREASING BUTYRATE PRODUCTION BY BACTERIA IN A CONSORTIUM Final Rejection PHARMABIOME AG
17625440 TREATMENT OF GLYCOGEN STORAGE DISEASE (GSD) Non-Final OA UNIVERSITE D'EVRY VAL D'ESSONNE

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