Prosecution Insights
Last updated: April 19, 2026

Examiner: MARVICH, MARIA

Tech Center 1600 • Art Units: 1631 1633 1634

This examiner grants 55% of resolved cases

Performance Statistics

54.7%
Allow Rate
-5.3% vs TC avg
1020
Total Applications
+26.9%
Interview Lift
1549
Avg Prosecution Days
Based on 967 resolved cases, 2023–2026

Rejection Statute Breakdown

2.9%
§101 Eligibility
19.8%
§102 Novelty
26.7%
§103 Obviousness
34.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17617490 ENGINEERED HUMAN-ENDOGENOUS VIRUS-LIKE PARTICLES AND METHODS OF USE THEREOF FOR DELIVERY TO CELLS Final Rejection President and Fellows of Harvard College
19342217 CAPSID POLYPEPTIDES AND METHODS OF USE THEREOF Non-Final OA DYNO THERAPEUTICS, INC.
18011799 METHODS AND COMPOSITIONS RELATED TO CATALYTIC ACTIVATION OF HUMAN ARGONAUTE-3 Final Rejection OHIO STATE INNOVATION FOUNDATION
17811376 4-1BBL TRIMER-CONTAINING ANTIGEN BINDING MOLECULES Final Rejection Hoffmann-La Roche Inc.
17768591 COMPOSITIONS AND METHODS FOR USING ALTERNATIVE SPLICING TO CONTROL SPECIFICITY OF GENE THERAPY Non-Final OA The Johns Hopkins University
16510259 AAV-MEDIATED GENE THERAPY FOR NPHP5 LCA-CILIOPATHY Non-Final OA University of Florida Research Foundation, Inc.
18873212 VACCINE COMPRISING NATURAL KILLER CELLS LOADED WITH LIGANDS OF NATURAL KILLER T CELLS AND CANCER ANTIGENS Non-Final OA CELLID CO., LTD.
18062924 ANTI-MUTANT CALRETICULIN (CALR) ANTIBODIES AND USES THEREOF Non-Final OA Incyte Corporation
18031486 Engineered Cells for Increased Collagen Production Final Rejection Northeastern University
17806581 RECOMBINANT VIRUS REPLICON SYSTEMS AND USES THEREOF Final Rejection Janssen Pharmaceuticals, Inc.
17820525 INHIBITORY CHIMERIC RECEPTOR ARCHITECTURES Final Rejection TRUSTEES OF BOSTON UNIVERSITY
17768778 NON-CODING RNA PROTECTING AGAINST HEART FAILURE Final Rejection MEDIZINISCHE HOCHSCHULE HANNOVER
17904229 LINKING AMINO ACID SEQUENCES, MANUFACTURING METHOD THEREOF, AND USE THEREOF Final Rejection Temple University-Of The Commonwealth System of Higher Education
17176388 CELL SORTING SYSTEMS AND METHODS OF USE Non-Final OA MEMORIAL SLOAN-KETTERING CANCER CENTER
18360217 RAPID HIGH THROUGHPUT SCREENING SYSTEM TO ASSESS POTENTIAL TREATMENTS FOR SPORADIC ALZHEIMER’S DISEASE Non-Final OA Trustees of Tufts College
18567499 LENTIVIRAL VECTOR Non-Final OA TOUCHLIGHT IP LIMITED
17296722 COMPOSITIONS AND METHODS FOR TREATING CANCER Non-Final OA THE CHILDREN'S HOSPITAL OF PHILADELPHIA
18561931 NOVEL METHOD FOR ISOLATING AND CULTURING DERMAL PAPILLA CELLS Non-Final OA EPI BIOTECH CO., LTD.
17906601 COMPOSITIONS AND METHODS FOR TREATING LUPUS Final Rejection MONASH UNIVERSITY
18556163 METHODS AND MEANS FOR THE PREVENTION AND/OR TREATMENT OF HEMOPHILIC ARTHROPATHY IN HEMOPHILIA Non-Final OA UNIQURE BIOPHARMA B.V.
17610111 OPTIMIZED PHENYLANANINE HYDROXYLASE EXPRESSION Final Rejection American Gene Technologies International Inc.
18553439 METHOD FOR TREATING BIOLOGICAL SAMPLE Non-Final OA FUJIREBIO INC.
17841029 POLYNUCLEOTIDE EDITORS AND METHODS OF USING THE SAME Non-Final OA PRIME MEDICINE, INC.
16965895 USE OF LENTIVIRAL VECTORS EXPRESSING FACTOR VIII Final Rejection BIOVERATIV THERAPEUTICS INC.
17050601 THERAPEUTIC GENOME EDITING IN X-LINKED HYPER IGM SYNDROME Non-Final OA Seattle Children's Hospital (dba Seattle Children's Research Institute)
17771421 ORNITHINE TRANSCARBAMYLASE (OTC) CONSTRUCTS AND METHODS OF USING THE SAME Non-Final OA Genevant Sciences GmbH
18257499 SUPPLEMENT COMPOSITION FOR CELL CULTURE Non-Final OA CLEAR MEAT PRIVATE LIMITED
17927460 COMPOSITIONS AND METHODS FOR AUGMENTING CHIMERIC ANTIGEN RECEPTOR (CAR) T CELL THERAPIES Final Rejection Tiziana Life Sciences PLC
18251737 PRODUCTION OF VIRUS VECTOR PLASMID IN BACILLUS SUBTILIS Non-Final OA Synplogen Co., Ltd.
17952565 CELL-BASED VEHICLES FOR POTENTIATION OF VIRAL THERAPY Non-Final OA CALIDI BIOTHERAPEUTICS (NEVADA), INC.

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