Prosecution Insights
Last updated: April 19, 2026

Examiner: STEADMAN, DAVID J

Tech Center 1600 • Art Units: 1656

This examiner grants 58% of resolved cases

Performance Statistics

57.9%
Allow Rate
-2.1% vs TC avg
1005
Total Applications
+29.1%
Interview Lift
1135
Avg Prosecution Days
Based on 955 resolved cases, 2023–2026

Rejection Statute Breakdown

9.0%
§101 Eligibility
19.4%
§102 Novelty
26.7%
§103 Obviousness
29.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17264340 NOVEL CRISPR ENZYMES AND SYSTEMS Non-Final OA PRESIDENT AND FELLOWS OF HARVARD COLLEGE
16756134 SYSTEMS, METHODS, AND COMPOSITIONS FOR TARGETED NUCLEIC ACID EDITING Non-Final OA PRESIDENT AND FELLOWS OF HARVARD COLLEGE
19071264 PH20 POLYPEPTIDE VARIANTS, FORMULATIONS AND USES THEREOF Non-Final OA Halozyme, Inc.
18027461 Improved Combination of Protease and Protease Inhibitor with Secondary Enzyme Non-Final OA BASF SE
18178360 STORAGE-STABLE LIQUID DETERGENT OR CLEANING AGENT CONTAINING PROTEASE AND LIPASE Final Rejection BASF SE
17424824 METHOD FOR PRODUCTION OF 4-CYANO BENZOIC ACID OR SALTS THEREOF Final Rejection BASF SE
18325455 DISHWASHING DETERGENT COMPOSITION COMPRISING XYLANASE AND SULPHONATED CARBOXYLATE POLYMER Non-Final OA The Procter & Gamble Company
18297302 CLEANING COMPOSITIONS CONTAINING ALGINATE LYASE ENZYMES Final Rejection The Procter & Gamble Company
18065641 HOME CARE COMPOSITION COMPRISING AN AMYLASE Final Rejection The Procter & Gamble Company
17310191 PLATFORM FOR PRODUCING GLYCOPROTEINS, IDENTIFYING GLYCOSYLATION PATHWAYS Non-Final OA Northwestern University
17334055 MINIMAL PEPTIDE FUSIONS FOR TARGETED INTRACELLULAR PROTEIN DEGRADATION Final Rejection Massachusetts Institute of Technology
18015752 AMYLASE-CONTAINING CLEANING AGENT COMPOSITION Final Rejection KAO CORPORATION
19041627 NOVEL RECOMBINANT FACTOR C AND METHOD FOR PRODUCING THE SAME, AND METHOD FOR MEASURING ENDOTOXIN Non-Final OA SEIKAGAKU CORPORATION
18490032 STRAIN WITH IMPROVED AROMATIC AMINO ACID PRODUCTION CAPACITY BY ANSB GENE INACTIVATION Final Rejection DAESANG CORPORATION
17291656 PORE Non-Final OA Vrije Universiteit Brussel
18318442 DETERGENT COMPOSITION COMPRISING LACCASE Non-Final OA Novozymes A/S
18318470 Detergent Composition Comprising Laccase Non-Final OA Novozymes A/S
18497253 YEAST CELLS HAVING REDUCTIVE TCA PATHWAY FROM PYRUVATE TO SUCCINATE AND OVEREXPRESSING AN EXOGENOUS NAD(P+) TRANSHYDROGENASE ENZYME Non-Final OA CARGILL, INCORPORATED
17295198 METHOD FOR THE PRODUCTION OF ENZYMES BY A STRAIN BELONGING TO A FILAMENTOUS FUNGUS Final Rejection IFP Energies nouvelles
17968818 PROTEIN COMPOSITION WITH ISOPRENE POLYMERIZATION ACTIVITY AND APPLICATION THEREOF Final Rejection Sumitomo Riko Company Limited
18257311 ENZYMES AND ENZYME COMPOSITIONS FOR CLEANING Non-Final OA DANISCO US INC
17963122 METHODS OF TREATMENT AND NOVEL CONSTRUCTS Final Rejection AUCKLAND UNISERVICES LIMITED
18539833 METHOD FOR CONVERTING NUCLEIC ACID SEQUENCE OF CELL SPECIFICALLY CONVERTING NUCLEIC ACID BASE OF TARGETED DNA USING CELL ENDOGENOUS DNA MODIFYING ENZYME, AND MOLECULAR COMPLEX USED THEREIN Final Rejection NATIONAL UNIVERSITY CORPORATION KOBE UNIVERSITY
17792011 GENETICALLY MODIFIED BACTERIUM WITH ALTERED ENVELOP INTEGRITY AND USES THEREOF Non-Final OA UNIVERSITÉ CATHOLIQUE DE LOUVAIN
17838741 Recombinant Alpha-Galactosidase A For Treatment Of Fabry Disease Non-Final OA Amicus Therapeutics, Inc.
17720006 FLAVONOID AND ANTHOCYANIN BIOPRODUCTION USING MICROORGANISM HOSTS Non-Final OA DEBUT BIOTECHNOLOGY, INC.
16645072 PHARMACEUTICALS AND DEVICES FOR THE COVALENT IMMOBILIZATION TO THE EXTRACELLULAR MATRIX BY TRANSGLUTAMINASE Non-Final OA JULIUS-MAXIMILIANS-UNIVERSITÄT WÜRZBURG
16483574 BIOLOGICAL SAMPLE AND BIOLOGICAL INSTRUMENT CLEANLINESS MEASUREMENT KIT AND METHOD Final Rejection KIKKOMAN CORPORATION
18449736 Bacillus Subtilis SK01 and its Application in Plastic Degradation Non-Final OA Bijie Shangkun plastic products Co., Ltd
18231468 METHOD FOR THE PREPARATION OF GELATIN HYDROLYSATE HAVING A LOW ENDOTOXIN CONTENT Final Rejection Rousselot BVBA

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