Prosecution Insights
Last updated: October 02, 2026

Examiner: VIVLEMORE, TRACY ANN

Tech Center 4100 • Art Units: 1600 1631 1635 1638 1644 1674 1687 4100 4151

This examiner grants 73% of resolved cases

Analysis

Tracy Ann Vivlemore is an examiner in Art Unit 1600 within Tech Center 4100. The examiner has 727 resolved cases, which have resulted in an allowance rate of 73.0 percent. This rate indicates the recorded frequency of grants for applications assigned to this examiner. Practitioners can use the data to evaluate the probability of success for their cases in Art Unit 1600.

The median time to allowance for these applications is 1036 days. This pendency figure of 1036 days provides a specific timeline for applicants to consider during their portfolio planning. Understanding this median duration helps in managing the resources required for prosecution within Tech Center 4100.

The data also shows an interview lift of 6.6 percent. This lift indicates the change in the probability of success when an interview is conducted, compared to the baseline allowance rate of 73.0 percent. For the 727 resolved cases, the 6.6 percent lift suggests that direct communication is a tool for practitioners. This information is for determining whether to request an interview during the examination process.

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

Performance Statistics

73.0%
Allow Rate
+13.0% vs TC avg
798
Total Applications
+6.6%
Interview Lift
1036
Avg Prosecution Days
Based on 727 resolved cases, 2023–2026

Rejection Statute Breakdown

4.4%
§101 Eligibility
19.4%
§102 Novelty
34.2%
§103 Obviousness
24.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18567470 Tissue Extracts and Related Methods Final Rejection ALLOSOURCE
17261790 COMPOSITIONS AND METHODS INVOLVING TRANSFORMING EXTRACELLULAR VESICLES Non-Final OA MAYO FOUNDATION FOR MEDICAL EDUCATION AND RESEARCH
18290257 PRODUCTION OF ENGINEERED T CELLS FROM STEM CELLS Non-Final OA The Regents of the University of California
17775236 METHODS AND COMPOSITIONS RELATING TO SELECTIVE INTRACELLULAR DELIVERY OF CD38 INHIBITORS Final Rejection Ohio State Innovation Foundation
18340417 GENOME-EDITED INVARIANT NATURAL KILLER T (INKT) CELLS FOR THE TREATMENT OF HEMATOLOGIC MALIGNANCIES Non-Final OA Washington University
18448807 COMPOSITIONS AND METHODS FOR ENHANCING GAMMA DELTA T CELLS IN THE GUT Non-Final OA KING'S COLLEGE LONDON
18448811 COMPOSITIONS AND METHODS FOR ENHANCING GAMMA DELTA T CELLS IN THE GUT Non-Final OA KING'S COLLEGE LONDON
18413096 RODENTS HAVING A HUMANIZED TMPRSS GENE Non-Final OA Regeneron Pharmaceuticals, Inc.
18517703 ENGINEERED LIGHT-SENSITIVE PROTEINS Non-Final OA California Institute of Technology
18602622 GENE THERAPY FOR TUBEROUS SCLEROSIS Non-Final OA The General Hospital Corporation
18286923 MATERIALS AND METHODS FOR NEUROFIBROMIN 2/MERLIN (NF2) GENE THERAPY Non-Final OA RESEARCH INSTITUTE AT NATIONWIDE CHILDREN'S HOSPITAL
18653847 ONCOLYTIC VIRUSES AND METHODS OF USE THEREOF FOR THE TREATMENT OF CANCER Non-Final OA The Board of Regents of The University of Texas System
18569642 COMPOSITIONS COMPRISING SPHERICAL PARTICLES AND USES OF SAME Non-Final OA Technion Research & Development Foundation Limited
17905407 CRISPR/CAS9 SYSTEM FOR MULTISTRAIN HIV-1 TREATMENT Non-Final OA Board of Regents of the University of Nebraska
17842225 METHODS FOR TREATING EYE DISEASE Final Rejection The United States Government as Represented by the Department of Veterans Affairs
18282694 SPONTANEOUS RESPIRATORY BIOMATERIAL FOR TISSUE ENGINEERING Non-Final OA IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
18551038 PHARMACEUTICAL COMPOSITIONS CONTAINING ADENO-ASSOCIATED VIRAL VECTOR Non-Final OA Pfizer Inc.
17627927 Inhibitors of microRNA 451a for Treatment of Endometriosis Non-Final OA YALE UNIVERSITY
18008422 USE OF RECOMBINANT HUMAN ACID SPHINGOMYELINASE TO IMPROVE SKELETAL MYOFIBER REPAIR Final Rejection CHILDREN'S NATIONAL MEDICAL CENTER
17528234 HIGH DENSITY LIPOPROTEIN BINDING PROTEIN (HDLBP/VIGILIN) iRNA COMPOSITIONS AND METHODS OF USE THEREOF Final Rejection ETH Zurich
18061633 GENE THERAPY FOR OCULAR DISORDERS Non-Final OA The Trustees of the University of Pennsylvania
17904903 TREATING AUTOSOMAL RECESSIVE BESTROPHINOPATHIES AND METHODS FOR EVALUATING SAME Final Rejection The Trustees of the University of Pennsylvania
17904899 TREATING AUTOSOMAL DOMINANT BESTROPHINOPATHIES AND METHODS FOR EVALUATING SAME Final Rejection The Trustees of the University of Pennsylvania
17097997 COMPOSITIONS FOR DRG-SPECIFIC REDUCTION OF TRANSGENE EXPRESSION Non-Final OA The Trustees of the University of Pennsylvania
17776569 COMPOSITIONS AND USES THEREOF FOR TREATING, PROGNOSING AND DIAGNOSING PULMONARY HYPERTENSION Final Rejection UNIVERSITY OF PITTSBURGH-OF THE COMMONWEALTH SYSTEM OF HIGHER EDUCATION
17756138 AKT INHIBITORS FOR ENHANCING CHIMERIC T CELL PERSISTENCE Non-Final OA H. Lee Moffitt Cancer Center and Research Institute, Inc.
17910459 DUAL-TARGETING CHIMERIC ANTIGEN RECEPTOR MODIFIED T CELLS COMPRISING IL-13 AND CHLOROTOXIN FOR CANCER TREATMENT Non-Final OA City of Hope
18331098 INDUCIBLE PLURIPOTENT STEM CELL DERIVED REGENERATIVE T CELLS Non-Final OA CREATIVE MEDICAL TECHNOLOGIES, INC.
18311464 PROTECTION FROM OVARIAN FAILURE BY LOW DOSE INTERLEUKIN-2 ADMINISTRATION Non-Final OA CREATIVE MEDICAL TECHNOLOGIES, INC.
17736738 SHARED NEOANTIGEN VACCINES Final Rejection Gritstone bio, Inc.

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