Prosecution Insights
Last updated: May 29, 2026

Examiner: YAMASAKI, ROBERT J

Tech Center 1600 • Art Units: 1657

This examiner grants 68% of resolved cases

Performance Statistics

67.5%
Allow Rate
+7.5% vs TC avg
581
Total Applications
+42.9%
Interview Lift
1186
Avg Prosecution Days
Based on 548 resolved cases, 2023–2026

Rejection Statute Breakdown

1.0%
§101 Eligibility
5.0%
§102 Novelty
55.5%
§103 Obviousness
9.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17416480 ENZYMATIC HEXOSAMINIDATION OF LACTOSE Non-Final OA BASF SE
17658009 GENERATION OF CELL-BASED PRODUCTS FOR CONSUMPTION THAT COMPRISE PROTEINS FROM EXOTIC, ENDANGERED, AND EXTINCT SPECIES Non-Final OA Upside Foods, Inc.
17916087 SEQUENCING-BASED POPULATION SCALE SCREENING Final Rejection MASSACHUSETTS INSTITUTE OF TECHNOLOGY
18674418 EXPANSION OF TUMOR INFILTRATING LYMPHOCYTES FROM LIQUID TUMORS AND THERAPEUTIC USES THEREOF Non-Final OA Iovance Biotherapeutics, Inc.
18682548 TARGETING 3-KETODIHYDROSPHINGOSINE REDUCTASE (KDSR) IN CANCER Non-Final OA UNIVERSITY OF MASSACHUSETTS
18313164 DISPERSED INTEGRATION OF RENEWABLE CHEMICAL PRODUCTION INTO EXISTING OIL, GAS, PETROLEUM, AND CHEMICAL PRODUCTION AND INDUSTRIAL INFRASTRUCTURE Non-Final OA LanzaTech, Inc.
17610081 Chemical Capping for Template Switching Final Rejection New England Biolabs, Inc.
18018230 MATERIALS AND METHODS FOR MAKING SEXUAL STAGE PLASMODIUM PARASITES Non-Final OA The Penn State Research Foundation
18597329 Soluble Guanylyl Cyclase (GC1) Mimetic Polypeptides and Methods of Use Thereof Non-Final OA Rutgers, the State University of New Jersey
17781796 Method for Diagnosing Cancer, Cancer Diagnosis Composition, Cancer Diagnosis Kit, Method for Evaluating State of Cancer, and Method for Screening Agents for Preventing and/or Treating Cancer Non-Final OA Kyushu University, National University Corporation
18680251 METHODS OF PRODUCING FUNCTIONALIZED POWDER PARTICLES Non-Final OA KREMENAK NANOTECH, INC.
17415010 METHOD OF ENCODING DATA ON A POLYNUCLEOTIDE STRAND Non-Final OA Oxford Nanopore Technologies PLC
18559264 USES AND METHODS FOR ELEMENTOMIC CHARACTERIZATION ANALYSIS IN DIAGNOSIS AND PROGNOSIS OF MEDICAL DISEASES AND CONDITIONS Non-Final OA SHANGHAITECH UNIVERSITY
18614283 CELL CULTURE LASER PHOTOABLATION Final Rejection EditCo Bio, Inc.
18608239 AN ENZYMATIC PROCESS FOR PRODUCING HYDROXYCINNAMIC ACID AMIDES (HCAA) Non-Final OA ANALYTICON DISCOVERY GMBH
18571661 RECOMBINANT CUTINASE EXPRESSION Non-Final OA Novozymes A/S
18562266 SELECTIVE LYSIS OF MAMMALIAN EUKARYOTIC CELLS AND VISUALIZATION OF VIABLE BACTERIAL CELLS Non-Final OA Aman RUSSOM
18290568 METHODS AND SYSTEMS FOR GENERATING BIOLOGICAL MOLECULES Non-Final OA MACHINE BIO INC.
17768896 EFFICIENT RNA SWITCHES AND RELATED EXPRESSION SYSTEMS Non-Final OA THE SCRIPPS RESEARCH INSTITUTE
18312218 SYSTEM AND METHOD FOR PRODUCING A SUGAR STREAM USING MEMBRANE FILTRATION Non-Final OA Fluid Quip Technologies, LLC
18269683 ATP-PRT VARIANT WITH REDUCED FEEDBACK INHIBITION BY HISTIDINE, AND HISTIDINE-PRODUCING STRAIN EXPRESSING SAME Non-Final OA DAESANG CORPORATION
17719899 SYNTHESIS OF POLYNUCLEOTIDE BOTTLEBRUSH POLYMER Non-Final OA ILLUMINA SINGAPORE PTE. LTD.
17642054 METHOD FOR THE PRODUCTION OF RAAV AND METHOD FOR THE IN VITRO GENERATION OF GENETICALLY ENGINEERED, LINEAR, SINGLE-STRANDED NUCLEIC ACID FRAGMENTS CONTAINING ITR SEQUENCES FLANKING A GENE OF INTEREST Non-Final OA UNIVERSITÄT BIELEFELD
17419893 A METHOD FOR ASSEMBLING CIRCULAR AND LINEAR DNA MOLECULES IN AN ORDERED MANNER Final Rejection UNIVERSITY OF MARLYLAND, BALTIMORE COUNTY

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