Prosecution Insights
Last updated: May 29, 2026

Examiner: KOROTCHKINA, LIOUBOV G

Tech Center 1600 • Art Units: 1653

This examiner grants 28% of resolved cases

Performance Statistics

28.0%
Allow Rate
-32.0% vs TC avg
107
Total Applications
+59.9%
Interview Lift
1332
Avg Prosecution Days
Based on 50 resolved cases, 2023–2026

Rejection Statute Breakdown

1.5%
§101 Eligibility
2.9%
§102 Novelty
74.3%
§103 Obviousness
4.4%
§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
18280986 CORYNEBACTERIUM GLUTAMICUM VARIANT HAVING IMPROVED L-LYSINE PRODUCTION ABILITY, AND METHOD FOR PRODUCING L-LYSINE BY USING SAME Non-Final OA CJ CHEILJEDANG CORPORATION
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
17793009 4-UREIDO-5-CARBOXYL-IMIDAZOLE-AMIDE HYDROLASE AND USE THEREOF Non-Final OA TIANJIN UNIVERSITY
17041851 REAL-TIME MONITORING OF PROTEIN CONCENTRATION USING ULTRAVIOLET SIGNAL Final Rejection BRISTOL-MYERS SQUIBB COMPANY
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
17925662 Agent for Increasing Content of IgA Antibody in Milk Non-Final OA THE UNIVERSITY OF TOKYO
17414288 FORMULATIONS FOR EGG ORAL IMMUNOTHERAPY, METHODS OF MANUFACTURE, AND TREATMENTS FOR EGG ALLERGY Non-Final OA Société des Produits Nestlé S.A.
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
17769047 PROGRAMMABLE RNA EDITING PLATFORM Non-Final OA NANYANG TECHNOLOGICAL UNIVERSITY
17507800 Mutant Glucose Dehydrogenase Having Improved Thermal Stability, and Use Thereof Non-Final OA ARKRAY, Inc.
18350982 METHOD FOR PRODUCING PHYTOSPHINGOSINE OR PHYTOCERAMIDE Non-Final OA DANSTAR FERMENT AG
17754049 METHOD FOR SCREENING SECRETION-PRODUCING CELLS AND KIT FOR SCREENING SECRETION-PRODUCING CELLS Final Rejection Tokyo Ohka Kogyo Co., Ltd.
17924704 THERMOSTABLE GLUCOCEREBROSIDASE Non-Final OA TEIKYO UNIVERSITY
18006798 Compositions and Methods for Treating Infections of the Gastrointestinal Tract Final Rejection Icahn School of Medicine at Mount Sinai
17613752 COMPOSITIONS AND METHODS FOR PRODUCING STEVIOL GLYCOSIDES Non-Final OA Arzeda Corp.
18253956 METHOD FOR COLLECTING CELLS OF MICROORGANISM IN SPECIMEN Final Rejection KABUSHIKI KAISHA YAKULT HONSHA
17768461 PROTEIN PURIFICATION USING A SPLIT INTEIN SYSTEM Non-Final OA Cytiva Bioprocess R&D AB
18264400 FERMENTATION METHOD FOR MUPIROCIN Non-Final OA HANGZHOU ZHONGMEIHUADONG PHARMACEUTICAL CO., LTD.
18280926 INACTIVATED STRAINS OF BACTERIA, SUCH AS VIABLE BUT NON-CULTURABLE BACTERIA, COMPOSITIONS AND USE THEREOF Non-Final OA BLL INVEST S.R.L.
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
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
17625440 TREATMENT OF GLYCOGEN STORAGE DISEASE (GSD) Non-Final OA UNIVERSITE D'EVRY VAL D'ESSONNE
17916767 CULTURE MEDIUM, FUNGUS BED, BAGGED FUNGUS BED, CULTURE MEDIUM MANUFACTURING METHOD, FUNGUS BED MANUFACTURING METHOD, BAGGED FUNGUS BED MANUFACTURING METHOD Final Rejection LaLa Corporation

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