Prosecution Insights
Last updated: April 19, 2026

Examiner: ALLEN, SARAH ELIZABETH

Tech Center 1600 • Art Units: 1637

This examiner grants 58% of resolved cases

Performance Statistics

57.9%
Allow Rate
-2.1% vs TC avg
66
Total Applications
+50.0%
Interview Lift
1438
Avg Prosecution Days
Based on 19 resolved cases, 2023–2026

Rejection Statute Breakdown

8.0%
§101 Eligibility
14.1%
§102 Novelty
35.3%
§103 Obviousness
28.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18028183 PRIME EDITING GUIDE RNAS, COMPOSITIONS THEREOF, AND METHODS OF USING THE SAME Non-Final OA President and Fellows of Harvard College
17633573 BASE EDITORS WITH DIVERSIFIED TARGETING SCOPE Final Rejection President and Fellows of Harvard College
17604128 PROTEIN TRANSLATIONAL CONTROL Final Rejection The Regents of the University of California
17493186 METHODS FOR ASSESSING RISK USING TOTAL CELL-FREE DNA Final Rejection The Medical College of Wisconsin, Inc.
18000834 NOVEL TYPE I-C CRISPR-CAS SYSTEM FROM CLOSTRIDIA Non-Final OA NORTH CAROLINA STATE UNIVERSITY
18301732 GENOMIC EDITING WITH SITE-SPECIFIC RETROTRANSPOSONS Non-Final OA Massachusetts Institute of Technology
18328381 REGULATION OF METABOLISM AND OBESITY BY MITOCHONDRIAL MUL1 E3 UBIQUITIN LIGASE Non-Final OA University of Central Florida Research Foundation, Inc.
18006278 OPTIMIZED SLC13A5 GENES AND EXPRESSION CASSETTES AND THEIR USE Non-Final OA The University of North Carolina at Chapel Hill
17767852 COMPOSITIONS AND METHODS FOR UPREGULATING ISOFORMS OF DYSTROPHIN AS THERAPY FOR DUCHENNE MUSCULAR DYSTROPHY (DMD) Final Rejection YALE UNIVERSITY
18253919 PMO-BASED UTROPHIN::LET-7C MIRNA SITE BLOCKING OLIGONUCLEOTIDES (SBOS) FOR TREATING DUCHENNE MUSCULAR DYSTROPHY (DMD) Non-Final OA THE TRUSTEES OF THE UNIVERSITY OF PENNSYLVANIA
17917333 COMPOSITIONS AND METHODS FOR IMPROVED SITE-SPECIFIC MODIFICATION Non-Final OA ASTRAZENECA AB
18273454 ENHANCING EFFICIENCY OF TARGETED GENE KNOCKIN BY BASE EDITORS Non-Final OA REGENTS OF THE UNIVERSITY OF MINNESOTA
17717697 GENE EDITING TO CORRECT ANEUPLOIDIES AND FRAME SHIFT MUTATIONS Non-Final OA The Trustees of Columbia University in the City of New York
18120030 OLIGONUCLEOTIDES FOR APP MODULATION Non-Final OA UNIVERSITY OF MASSACHUSETTS
18315677 PRE-CLINICAL MODIFIED RNA APPROACHES USED IN LARGE ANIMALS FOR MUSCLE AND VASCULAR REGENERATION Non-Final OA THE UAB RESEARCH FOUNDATION
17997312 MODIFIED NUCLEIC ACIDS ENCODING ASPARTOACYLASE (ASPA) AND VECTOR FOR GENE THERAPY Non-Final OA Pfizer Inc.
17801095 COMPOSITIONS AND METHODS FOR INHIBITING EXPRESSION OF METHYLATION-CONTROLLED J-PROTEIN (MCJ) Non-Final OA University of Vermont and State Agricultural College
17628881 METHOD FOR REDUCING TOXICITY OF ANTISENSE NUCLEIC ACIDS Non-Final OA TOKYO INSTITUTE OF TECHNOLOGY
17668413 SMALL RIBOSOMAL PROTEIN SUBUNIT 25 (RPS25) iRNA AGENT COMPOSITIONS AND METHODS OF USE THEREOF Non-Final OA Alnylam Pharmaceuticals, Inc.
18017502 GENE THERAPY VECTOR FOR eEF1A2 AND USES THEREOF Non-Final OA UCL Business Ltd
17635298 EXTRACELLULAR VESICLES WITH ANTISENSE OLIGONUCLEOTIDES TARGETING KRAS Non-Final OA LONZA SALES AG
18003021 TRANSGENE EXPRESSION SYSTEM Final Rejection THE UNIVERSITY COURT OF THE UNIVERSITY OF EDINBURGH
18268023 PEG LIPIDS AND LIPID NANOPARTICLES Non-Final OA GENEVANT SCIENCES GMBH
17608590 NOVEL LIGAND ASSAYS Non-Final OA InsituGen Limited
17608602 NOVEL LIGAND ASSAYS Final Rejection InsituGen Limited
17776120 CRISPR/CAS9 SYSTEM AS AN AGENT FOR INHIBITION OF POLYOMA JC INFECTION Final Rejection TEMPLE UNIVERSITY - OF THE COMMONWEALTH SYSTEM OF HIGHER EDUCATION
18040318 MRNA VACCINE COMPRISING ADJUVANT CAPABLE OF KINETIC CONTROL Non-Final OA PROGENEER INC.
17917472 NUCLEIC ACID CONSTRUCTS COMPRISING GENE EDITING MULTI-SITES Non-Final OA IO BIOSCIENCES, INC.
17817385 HAIRPIN LOOP ENDED SELF-COMPLEMENTARY DOUBLE-STRANDED COVALENTLY CLOSED LINEAR DNA VECTOR, MANUFACTURING SYSTEM AND PROCESS, AND USES OF SAID RESULTING DNA VECTOR Non-Final OA SYTE.bio Inc.
17781452 VARIANT CAS9 Non-Final OA BIOSPIRÁL-2006 FEJLESZTÕ ÉS TANÁCSADÓ KFT.

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