Prosecution Insights
Last updated: April 19, 2026

Examiner: POPA, ILEANA

Tech Center 1600 • Art Units: 1633

This examiner grants 21% of resolved cases

Performance Statistics

21.0%
Allow Rate
-39.0% vs TC avg
881
Total Applications
+13.9%
Interview Lift
1725
Avg Prosecution Days
Based on 820 resolved cases, 2023–2026

Rejection Statute Breakdown

1.7%
§101 Eligibility
9.3%
§102 Novelty
45.2%
§103 Obviousness
19.8%
§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.
18547809 COMPOSITION AND METHODS FOR THE TREATMENT OF FABRY DISEASE Non-Final OA TAKEDA PHARMACEUTICAL COMPANY LIMITED
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
16623268 MATERIALS AND METHODS FOR INCREASING IMMUNE RESPONSES Non-Final OA Mayo Foundation for Medical Education and Research
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
18298900 RNA INTERFERENCE DELIVERY FORMULATION AND METHODS FOR MALIGNANT TUMORS Final Rejection Nitto Denko Corporation
17925404 NOVEL LIPIDS AND NANOPARTICLE COMPOSITIONS THEREOF Non-Final OA Generation Bio Co.
15327794 SUBSET-OPTIMIZED CHIMERIC ANTIGEN RECEPTOR-CONTAINING T-CELLS Non-Final OA The Trustees of the University of Pennsylvania
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
17918887 ENHANCING AAV-MEDIATED DELIVERY AND TRANSDUCTION WITH POLYVINYL ALCOHOL Final Rejection University of Florida Research Foundation, Incorporated
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.
17605343 THIOESTER CATIONIC LIPIDS Non-Final OA 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
18540440 ANTIBODY PRODUCTION Non-Final OA ROGER KINGDON CRAIG
18246447 NUCLEIC ACID NANOSTRUCTURES FOR DELIVERY OF NUCLEIC ACID SEQUENCES TO CELLS Non-Final OA UCL BUSINESS LTD
18154229 SUPRAMOLECULAR CELL-BASED CARRIER, DRUG LOADING SYSTEM AND ITS PREPARATION METHOD Non-Final OA University of Macau
17054393 METHODS OF SUPPRESSING PATHOGENIC MUTATIONS USING PROGRAMMABLE BASE EDITOR SYSTEMS Non-Final OA Beam Therapeutics Inc.
18172176 PRODUCTION OF EXTRACELLULAR VESICLES IN SINGLE-CELL SUSPENSION USING CHEMICALLY-DEFINED CELL CULTURE MEDIA Final Rejection LONZA SALES AG
18471761 DUAL CONTROLS FOR THERAPEUTIC CELL ACTIVATION OR ELIMINATION Final Rejection Board of Regents of The University of Texas System
18466575 MATERIALS AND METHODS FOR TREATMENT OF PAIN RELATED DISORDERS Non-Final OA Vertex Phamaceuticals Incorporated

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