Prosecution Insights
Last updated: April 19, 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
1377
Total Applications
+14.1%
Interview Lift
971
Avg Prosecution Days
Based on 1333 resolved cases, 2023–2026

Rejection Statute Breakdown

4.5%
§101 Eligibility
7.2%
§102 Novelty
26.2%
§103 Obviousness
37.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17910649 METHODS FOR THE BIOTECHNOLOGICAL PRODUCTION OF ALDEHYDE MIXTURES Final Rejection SYMRISE AG
18319864 ENGINEERED THERMOPHILIC REVERSE TRANSCRIPTASE Non-Final OA 10x Genomics, Inc.
18553817 ENZYME COMPOSITION Non-Final OA DSM IP Assets B.V.
18152907 Modified Microorganisms and Production Method of Compounds Non-Final OA Asahi Kasei Kabushiki Kaisha
18277438 PROTEIN TRANSLATION SYSTEM Non-Final OA Tsinghua University
18018301 PROCESSES FOR REDUCING CHEMICAL USE AND EQUIPMENT CORROSION IN BIOMASS CONVERSION TO SUGARS, BIOCHEMICALS, BIOFUELS, AND/OR BIOMATERIALS Non-Final OA GranBio Intellectual Property Holdings, LLC
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
18734722 HEMP SEED PRODUCTS AND METHODS AND SYSTEMS FOR PRODUCING SAME Non-Final OA VICTORY FOODS, PBC
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
18322618 METHOD FOR CONSTRUCTING A RECOMBINANT BACTERIUM WITH HIGH PRODUCTIVITY OF BETA-ELEMENE AND GERMACRENE A Non-Final OA Jiangnan University
18034075 NOVEL ESTERASES AND USES THEREOF Non-Final OA CARBIOS
17996640 PROCESSES RELATED TO FORMATION OF ARYLCYCLOPROPYL CARBOXYLIC ACIDS Final Rejection CORTEVA AGRISCIENCE LLC
18344244 Food Composition Comprising L-Fucose Non-Final OA Chr. Hansen A/S
18297346 GENE EDITING COMPONENTS, SYSTEMS, AND METHODS OF USE Non-Final OA ReNAgade Therapeutics Management Inc.
18370469 METHOD FOR PRESERVING FERMENTATION BROTH OF ENGINEERED STRAIN OF D-PSICOSE-3-EPIMERASE Non-Final OA HENAN ZHONGDA HENGYUAN BIOTECHNOLOGY STOCK CO., LTD.
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.
18246060 METHOD FOR IMPROVING THE STABILITY OF A COMPOSITION COMPRISING A FLAVIN-DEPENDENT LACTATE DEHYDROGENASE Non-Final OA KIKKOMAN CORPORATION
17830623 ETHANOL PRODUCTION SYSTEM AND METHOD Final Rejection LucasE3, L.C.
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
18254253 METHODS FOR THE IMPROVED RECOVERY OF SECRETED COMPOUNDS IN A HAIRY ROOTS-BASED EXPRESSION SYSTEM Final Rejection SAMABRIVA
18036967 STABLE SYNTHETIC PHYTASE VARIANTS Non-Final OA EW NUTRITION GMBH
18247054 ENGINEERED PANTOTHENATE KINASE VARIANT ENZYMES Final Rejection Codexis, Inc.
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.

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