Prosecution Insights
Last updated: May 29, 2026

Examiner: FRONDA, CHRISTIAN L

Tech Center 1600 • Art Units: 1652

This examiner grants 82% of resolved cases

Performance Statistics

82.4%
Allow Rate
+22.4% vs TC avg
1,382
Total Applications
+14.1%
Interview Lift
881
Avg Prosecution Days
Based on 1339 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
7.4%
§102 Novelty
28.2%
§103 Obviousness
23.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18152907 Modified Microorganisms and Production Method of Compounds Non-Final OA Asahi Kasei Kabushiki Kaisha
18159371 POLYPHOSPHATE KINASE MUTANT, ENGINEERED STRAIN AND APPLICATION THEREOF Final Rejection ZHEJIANG UNIVERSITY OF TECHNOLOGY
18319864 ENGINEERED THERMOPHILIC REVERSE TRANSCRIPTASE Non-Final OA 10x Genomics, Inc.
18990889 Novel CRISPR-Cas delta enzyme and system Non-Final OA CHINA AGRICULTURAL UNIVERSITY
18277444 ARTIFICIAL DNA REPLISOME AND METHODS OF USE THEREOF Non-Final OA Regents of the University of Minnesota
18277438 PROTEIN TRANSLATION SYSTEM Non-Final OA Tsinghua University
18285196 METHOD FOR PRODUCING HIGHER LINEAR ALKANES Non-Final OA Evonik Operations GmbH
17910649 METHODS FOR THE BIOTECHNOLOGICAL PRODUCTION OF ALDEHYDE MIXTURES Non-Final OA SYMRISE AG
18026807 ALPHA-AMYLASE VARIANTS Non-Final OA DANSTAR FERMENT AG
18047822 A MINIMAL CATALYTIC DI-NICKEL PEPTIDE CAPABLE OF SUSTAINED HYDROGEN EVOLUTION AND METHODS OF USE THEREOF Non-Final OA RUTGERS, THE STATE UNIVERSITY OF NEW JERSEY
18678629 EXOGENOUS KETONE BLEND COMPOSITIONS FOR DELIVERY OF KETONE BODIES Non-Final OA KetoneAid, Inc.
17779753 REDUCTION IN ACETATE PRODUCTION BY YEAST OVER-EXPRESSING MIG3 Final Rejection DANISCO US INC
18607573 GENETICALLY ENGINEERED STRAIN FOR PRODUCING POLYLACTIC ACID AND METHOD FOR PRODUCING POLYLACTIC ACID Non-Final OA SHANGHAI SIPENG TECHNOLOGY LTD.
18246060 METHOD FOR IMPROVING THE STABILITY OF A COMPOSITION COMPRISING A FLAVIN-DEPENDENT LACTATE DEHYDROGENASE Non-Final OA KIKKOMAN CORPORATION
18344244 Food Composition Comprising L-Fucose Non-Final OA Chr. Hansen A/S
18245493 ENZYMES AND MICROBES FOR XANTHAN GUM PROCESSING Final Rejection Norwegian University of Life Sciences
18247054 ENGINEERED PANTOTHENATE KINASE VARIANT ENZYMES Final Rejection Codexis, Inc.
18551667 METHOD FOR INCREASING YIELD OF EICOSAPENTAENOIC ACID IN SCHIZOCHYTRIUM SP. Non-Final OA YHSN Technology Ltd.
18277967 TARGET PROTEIN PRODUCTION METHOD Non-Final OA Nagase Diagnostics Co., Ltd.
18254253 METHODS FOR THE IMPROVED RECOVERY OF SECRETED COMPOUNDS IN A HAIRY ROOTS-BASED EXPRESSION SYSTEM Final Rejection SAMABRIVA
18030228 POLYPEPTIDE WITH ASPARTATE KINASE ACTIVITY AND USE THEREOF IN PRODUCTION OF AMINO ACID Non-Final OA Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences
18020965 Polynucleotide Having Promoter Activity and Application of Polynucleotide in Producing Amino Acid Non-Final OA TIANJIN INSTITUTE OF INDUSTRIAL BIOTECHNOLOGY, CHINESE ACADEMY OF SCIENCES
18043978 IMPROVED FERMENTING ORGANISM FOR ETHANOL PRODUCTION Non-Final OA Microbiogen Pty. Ltd.
18016975 Mutant of Glutamate Dehydrogenase Gene Promoter and Application Thereof Non-Final OA TIANJIN INSTITUTE OF INDUSTRIAL BIOTECHNOLOGY, CHINESE ACADAEMY OF SCIENCES
18064181 CELLULAR GLYCOSAMINOGLYCAN COMPOSITIONS AND METHODS OF MAKING AND USING Non-Final OA TEGA Therapeutics, Inc.
17917943 Method and Equipment of Phenethylamine Production Non-Final OA ENZYMASTER (NINGBO) BIO-ENGINEERING CO., LTD.
17911312 A Method of Enhancing Ethanol Fermentation Non-Final OA Lytegro Limited
17830623 ETHANOL PRODUCTION SYSTEM AND METHOD Final Rejection LucasE3, L.C.

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