Prosecution Insights
Last updated: May 29, 2026

Examiner: POPA, ILEANA

Tech Center 1600 • Art Units: 1600 1633

This examiner grants 21% of resolved cases

Performance Statistics

21.0%
Allow Rate
-39.0% vs TC avg
886
Total Applications
+14.9%
Interview Lift
1724
Avg Prosecution Days
Based on 823 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
2.7%
§102 Novelty
84.8%
§103 Obviousness
9.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18176871 DESTABILIZED ARE 3'UTRs AS THERAPEUTICS FOR CANCER Non-Final OA President and Fellows of Harvard College
18446945 COMPOSITIONS FOR DETECTING SECRETION AND METHODS OF USE Final Rejection THE BROAD INSTITUTE, INC.
18458139 Skin Probiotics Non-Final OA The Regents of the University of California
17925470 FUNCTIONAL LIPID DERIVATIVES AND USES THEREOF Non-Final OA Ohio State Innovation Foundation
18022415 METHOD FOR IN VITRO PRODUCTION OF RED BLOOD CELLS Non-Final OA IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
18274133 PHOTO-CROSSLINKED BIOREDUCIBLE POLYMERIC NANOPARTICLES FOR ENHANCED RNA DELIVERY Non-Final OA The Johns Hopkins University
15327794 SUBSET-OPTIMIZED CHIMERIC ANTIGEN RECEPTOR-CONTAINING T-CELLS Non-Final OA The Trustees of the University of Pennsylvania
17918887 ENHANCING AAV-MEDIATED DELIVERY AND TRANSDUCTION WITH POLYVINYL ALCOHOL Final Rejection University of Florida Research Foundation, Incorporated
18088544 POLYMERIC NANOPARTICLES AND DERIVATIVES THEREOF FOR NUCLEIC ACID BINDING AND DELIVERY Final Rejection University of Massachusetts
18307258 METHOD OF TREATING BREAST CANCER IN A SUBJECT BY INHIBITING TUBB2B Non-Final OA City University of Hong Kong
17765507 METHOD FOR PRODUCING HEPARIN-LIKE SUBSTANCE, RECOMBINANT CELL, AND METHOD FOR PRODUCING THE SAME Final Rejection KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION
16973603 COMPOSITIONS AND METHODS FOR IN VIVO POST TRANSLATIONAL MODIFICATION Non-Final OA THE WISTAR INSTITUTE OF ANATOMY AND BIOLOGY
18433277 METHOD AND COMPOSITIONS FOR CELLULAR IMMUNOTHERAPY Non-Final OA Seattle Children's Hospital, dba Seattle Children's Research Institute
18431597 Liver Specific Delivery of Messenger RNA Final Rejection Translate Bio, Inc.
18334330 LIVER SPECIFIC DELIVERY OF MESSENGER RNA Final Rejection Translate Bio, Inc.
17450629 PROCESS OF PREPARING MRNA-LOADED LIPID NANOPARTICLES Final Rejection Translate Bio, Inc.
17829271 Low Molecular Weight Silk Compositions and Stabilizing Silk Compositions Final Rejection Trustees of Tufts College
18310969 COMPOSITION FOR PREVENTING OR TREATING PROGERIA AND NATURAL AGING THROUGH GENE EDITING Final Rejection KOREA RESEARCH INSTITUTE OF BIOSCIENCE AND BIOTECHNOLOGY
18547809 COMPOSITION AND METHODS FOR THE TREATMENT OF FABRY DISEASE Non-Final OA TAKEDA PHARMACEUTICAL COMPANY LIMITED
18471761 DUAL CONTROLS FOR THERAPEUTIC CELL ACTIVATION OR ELIMINATION Final Rejection Board of Regents of The University of Texas System
18172176 PRODUCTION OF EXTRACELLULAR VESICLES IN SINGLE-CELL SUSPENSION USING CHEMICALLY-DEFINED CELL CULTURE MEDIA Final Rejection LONZA SALES AG
18278570 IMMUNOEVASIVE ANTI-TUMOR ADENOVIRUS Non-Final OA CURIGIN CO., LTD.
16813263 Methods of Generating Mature Human Muscle Fibers Non-Final OA University of Maryland, Baltimore
17913743 RNA PARTICLES COMPRISING POLYSARCOSINE Non-Final OA BIONTECH SE
18033535 EXOSOMES CONTAINING MIRNAS TARGETING HER2 SYNTHESIS AND PHARMACEUTICAL COMPOSITIONS Non-Final OA IMMVIRA CO., LIMITED
18036472 GENETICALLY ENGINEERED YEAST CELLS AND METHODS OF USE THEREOF Non-Final OA Berkeley Fermentation Science Inc.
18003646 C825 EXPRESSING IMMUNE CELLS AND DIAGNOSTIC USES THEREOF Non-Final OA Memorial Sloan Kettering Cancer Center
18184965 COMPOSITIONS AND METHODS FOR CONTROLLING BLOOD SUGAR LEVELS USING NANOCAPSULE-BASED DRUG DELIVERY SYSTEM Final Rejection VL Biotech Inc.
18179269 METHODS FOR SELECTIVELY MODULATING THE ACTIVITY OF DISTINCT SUBTYPES OF CELLS Non-Final OA Institut National de la Santé et de la Recherche Medicale (INSERM)
18176259 COMPOSITIONS AND METHODS FOR THERAPEUTIC DELIVERY Final Rejection CYTONUS THERAPEUTICS, INC.

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