Prosecution Insights
Last updated: August 18, 2026

Examiner: GROOMS, TIFFANY NICOLE

Tech Center 1600 • Art Units: 1635 1636 1637 1658 1699

This examiner grants 59% of resolved cases

Performance Statistics

58.8%
Allow Rate
-1.2% vs TC avg
231
Total Applications
+46.8%
Interview Lift
1296
Avg Prosecution Days
Based on 182 resolved cases, 2023–2026

Rejection Statute Breakdown

4.4%
§101 Eligibility
13.4%
§102 Novelty
39.0%
§103 Obviousness
26.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18197948 OPTIMIZED SIRNA SCAFFOLDS Non-Final OA UNIVERSITY OF MASSACHUSETTS
18140908 SELECTIVE RNA-MODULATING AGENTS Non-Final OA UNIVERSITY OF MASSACHUSETTS
18247157 MARF/MFN MODULATORS AND USES THEREOF Final Rejection University of Massachusetts
19455761 CAS12 PROTEINS AND USES THEREOF Final Rejection ZHEJIANG SYNSORBIO GENE TECHNOLOGY CO., LTD.
15734768 Methods for Identifying Promoters for Protein Production in Yeast Final Rejection BASF SE
16989119 Large Gene Excision and Insertion Final Rejection President and Fellows of Harvard College
16851360 RNA-Guided Transcriptional Regulation Final Rejection President and Fellows of Harvard College
14319530 RNA-Guided Transcriptional Regulation Final Rejection President and Fellows of Harvard College
17631240 COMPOSITIONS AND METHODS FOR TREATING ALPHA THALASSEMIA Final Rejection THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY
16625207 Tropism-Modified Recombinant Viral Particles and Uses Thereof for the Targeted Introduction of Genetic Material into Human Cells Non-Final OA Regeneron Pharmaceuticals, Inc.
17995571 METHODS FOR TARGETED INTEGRATION Non-Final OA CYTIVA SWEDEN AB
17040943 METHOD FOR INCREASING THE EXPRESSION LEVEL OF A NUCLEIC ACID MOLECULE OF INTEREST IN A CELL Non-Final OA KWS SAAT SE & Co. KGaA
18270165 COMPOSITION FOR INHIBITING METASTASIS AND ENHANCING ANTICANCER DRUG SENSITIVITY Non-Final OA Korea Advanced Institute of Science and Technology
18573350 COMPOSITIONS AND METHODS FOR TREATING PGM1 DEFICIENCY Non-Final OA UNIVERSITY OF UTAH RESEARCH FOUNDATION
18693636 MRNA REGULON THERAPY FOR THE TREATMENT OF HAPLOINSUFFICIENCY DISORDERS Non-Final OA The Johns Hopkins University
18392854 COMPOSITIONS COMPRISING A LECITHIN CHOLESTEROL ACYLTRANSFERASE VARIANT AND USES THEREOF Non-Final OA The Trustees of the University of Pennsylvania
18162236 METHODS OF MAKING CHIMERIC ANTIGEN RECEPTOR-EXPRESSING CELLS Final Rejection The Trustees of the University of Pennsylvania
18041504 COMPOSITIONS AND METHODS FOR ENGINEERING AND SELECTION OF CAR T CELLS WITH DESIRED PHENOTYPES Non-Final OA Yale University
18003968 METHOD FOR SUPPRESSING CANCER METASTASIS THROUGH ALTERATION OF ADHESION DEPENDENCE OF CANCER CELLS Final Rejection INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY
18658840 YEAST STRAINS WITH SELECTED OR ALTERED MITOTYPES AND METHODS OF MAKING AND USING THE SAME Final Rejection Wisconsin Alumni Research Foundation
18058419 RNA-DIRECTED DNA CLEAVAGE AND GENE EDITING BY CAS9 ENZYME FROM NEISSERIA MENINGITIDIS Final Rejection Wisconsin Alumni Research Foundation
18565849 ASSAY FOR QUANTITATIVE ASSESSMENT OF MRNA CAPPING EFFICIENCY Non-Final OA TRANSLATE BIO, INC.
17915043 ACTIVITY-DEPENDENT GENE THERAPY FOR NEUROLOGICAL DISORDERS Non-Final OA UCL BUSINESS LTD.
18386551 CHROMOSOME NEIGHBORHOOD STRUCTURES AND METHODS RELATING THERETO Non-Final OA Whitehead Institute for Biomedical Research

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