Prosecution Insights
Last updated: October 27, 2026

Sarah Elizabeth Allen, USPTO Patent Examiner

Listed by the USPTO as ALLEN, SARAH ELIZABETH

Tech Center 1600 • Art Units: 1637

This examiner grants 57% of resolved cases

Analysis

ALLEN, SARAH ELIZABETH works in Tech Center 1600 and Art Unit 1637. The profile covers 30 resolved cases, with a 56.7% allowance rate and a 33.3% interview lift. Median time to allowance is 1314 days. The small record calls for caution in drawing broad conclusions, but the interview figure indicates a potentially useful prosecution avenue.

Top organizations are President and Fellows of Harvard College, The Trustees of the University of Pennsylvania, and Eligab Tx LLC. The leading firms are Knobbe, Martens, Olson & Bear, LLP, WOLF GREENFIELD & SACKS, P.C., and CANTOR COLBURN LLP - UCONN.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

56.7%
Allow Rate
-3.3% vs TC avg
92
Total Applications
+33.3%
Interview Lift
1314
Avg Prosecution Days
Based on 30 resolved cases, 2023–2026

Rejection Statute Breakdown

7.0%
§101 Eligibility
12.3%
§102 Novelty
35.2%
§103 Obviousness
28.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18120030 OLIGONUCLEOTIDES FOR APP MODULATION Final Rejection UNIVERSITY OF MASSACHUSETTS
17980883 METHODS OF GENOME EDITING INCLUDING CONTROLLED OPENING OF CHROMATIN Final Rejection Wisconsin Alumni Research Foundation
18485930 RESCUE STRATEGIES FOR BEST1 LOSS- AND GAIN-OF-FUNCTION MUTATIONS Non-Final OA University of Rochester
18269846 CHEMICAL SUBSTANCE EVALUATION SYSTEM USING MULTICOLOR LIGHT-EMITTING CELLS Non-Final OA TOHOKU UNIVERSITY
18459548 ACYCLIC THREONINOL NUCLEIC ACID Non-Final OA AGC Inc.
18323245 METHODS AND COMPOSITIONS FOR PRIME EDITING NUCLEOTIDE SEQUENCES Non-Final OA President and Fellows of Harvard College
18028183 PRIME EDITING GUIDE RNAS, COMPOSITIONS THEREOF, AND METHODS OF USING THE SAME Final Rejection President and Fellows of Harvard College
18563790 CORRECTION OF DUCHENNE MUSCULAR DYSTROPHY MUTATIONS WITH ALL-IN-ONE ADENO-ASSOCIATED VIRUS-DELIVERED SINGLE-CUT CRISPR Non-Final OA The Board of Regents of The University of Texas System
17717697 GENE EDITING TO CORRECT ANEUPLOIDIES AND FRAME SHIFT MUTATIONS Final Rejection The Trustees of Columbia University in the City of New York
18630651 COMPOSITIONS AND METHODS FOR THE TREATMENT OF GLYCOGEN STORAGE DISORDERS Non-Final OA University of Connecticut
17997312 MODIFIED NUCLEIC ACIDS ENCODING ASPARTOACYLASE (ASPA) AND VECTOR FOR GENE THERAPY Non-Final OA Pfizer Inc.
18709415 GENE THERAPY FOR TREATMENT OF MUCOPOLYSACCHARIDOSIS IIIA Non-Final OA The Trustees of the University of Pennsylvania
18253919 PMO-BASED UTROPHIN::LET-7C MIRNA SITE BLOCKING OLIGONUCLEOTIDES (SBOS) FOR TREATING DUCHENNE MUSCULAR DYSTROPHY (DMD) Final Rejection THE TRUSTEES OF THE UNIVERSITY OF PENNSYLVANIA
18486146 M6A-COUPLED EFFECTOR PROTEIN EXPRESSION SYSTEM AND METHODS OF MAKING AND USING SAME Non-Final OA Duke University
18315677 PRE-CLINICAL MODIFIED RNA APPROACHES USED IN LARGE ANIMALS FOR MUSCLE AND VASCULAR REGENERATION Final Rejection THE UAB RESEARCH FOUNDATION

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Frequently Asked Questions

What is examiner Sarah Elizabeth Allen's allowance rate?

56.7% of resolved applications examined by Sarah Elizabeth Allen were allowed (30 resolved cases), compared with 45.4% across Art Unit 1637 over the last five years.

Does an interview help with examiner Sarah Elizabeth Allen?

This examiner's interview lift is +33.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Sarah Elizabeth Allen take to allow a patent?

Applications allowed by Sarah Elizabeth Allen took 1,314 days on average from filing to allowance.

Which art unit does examiner Sarah Elizabeth Allen work in?

Sarah Elizabeth Allen examines applications in Art Unit 1637 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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