Prosecution Insights
Last updated: May 29, 2026

Examiner: ALLEN, SARAH ELIZABETH

Tech Center 1600 • Art Units: 1637

This examiner grants 62% of resolved cases

Performance Statistics

61.9%
Allow Rate
+1.9% vs TC avg
72
Total Applications
+44.4%
Interview Lift
1281
Avg Prosecution Days
Based on 21 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
3.4%
§102 Novelty
68.1%
§103 Obviousness
10.1%
§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
18273454 ENHANCING EFFICIENCY OF TARGETED GENE KNOCKIN BY BASE EDITORS Non-Final OA REGENTS OF THE UNIVERSITY OF MINNESOTA
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
18120030 OLIGONUCLEOTIDES FOR APP MODULATION Non-Final OA UNIVERSITY OF MASSACHUSETTS
17917333 COMPOSITIONS AND METHODS FOR IMPROVED SITE-SPECIFIC MODIFICATION Non-Final OA ASTRAZENECA AB
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.
18181583 PREPARATION METHOD FOR MUTANT CELLS WITH DELETION OF TARGET GENES Non-Final OA ShanghaiTech University
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
18005800 COMPOSITIONS AND METHODS FOR TREATING DISORDERS ASSOCIATED WITH LOSS-OF-FUNCTION MUTATIONS IN SCN2A Non-Final OA Praxis Precision Medicines, Inc.
18268023 PEG LIPIDS AND LIPID NANOPARTICLES Non-Final OA GENEVANT SCIENCES GMBH
17608590 NOVEL LIGAND ASSAYS Non-Final OA InsituGen Limited
17998419 SELF-LIMITING VIRAL VECTORS ENCODING NUCLEASES Non-Final OA Precision BioSciences, Inc.
17997361 ISOLATED RECOMBINANT ONCOLYTIC POXVIRUS CAPABLE OF BEING REGULATED AND CONTROLLED BY MICRORNA AND USE THEREOF Non-Final OA HANGZHOU CONVERD CO., LTD.
17917472 NUCLEIC ACID CONSTRUCTS COMPRISING GENE EDITING MULTI-SITES Non-Final OA IO BIOSCIENCES, INC.
17768104 METHODS OF DETECTING AMINO ACID DEFICIENCIES Non-Final OA Pacific Northwest Research Institute

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