Prosecution Insights
Last updated: April 19, 2026

Examiner: HASAN, KHALEDA B

Tech Center 1600 • Art Units: 1636

This examiner grants 58% of resolved cases

Performance Statistics

57.6%
Allow Rate
-2.4% vs TC avg
152
Total Applications
+51.3%
Interview Lift
1080
Avg Prosecution Days
Based on 125 resolved cases, 2023–2026

Rejection Statute Breakdown

6.9%
§101 Eligibility
16.1%
§102 Novelty
31.2%
§103 Obviousness
27.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
16476794 IMMUNOENGINEERED PLURIPOTENT CELLS Final Rejection The Regents of the University of California
18359665 RIBOSWITCH MODULATED GENE THERAPY FOR RETINAL DISEASES Non-Final OA The Medical College of Wisconsin, Inc.
17559926 MAMMALIAN CELL LINES WITH SIRT-1 GENE KNOCKOUT Final Rejection Hoffmann-La Roche Inc.
17300668 METHODS AND COMPOSITIONS FOR EDITING NUCLEOTIDE SEQUENCES Non-Final OA Massachusetts Institute of Technology
17047367 THERAPEUTIC MODULATION OF TUMOR SUPPRESSORS USING EXOSOMES Non-Final OA BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM
19193454 ISOLATED IMMUNE CELL EXPRESSING A RECEPTOR, INTERLEUKIN-7, AND CHEMOKINE (C-C MOTIF) LIGAND 19 Final Rejection NOILE-IMMUNE BIOTECH, INC.
19083930 ENGINEERED DNA MOLECULE FOR CODING RNA Non-Final OA RINUAGENE INTERNATIONAL HK LIMITED
18053160 GENE THERAPY CONSTRUCTS AND METHODS OF USE Non-Final OA Amicus Therapeutics, Inc.
18449625 GENETICALLY MODIFIED PRIMARY CELLS FOR ALLOGENEIC CELL THERAPY Final Rejection Sana Biotechnology, Inc.
18006555 LIPID NANOPARTICLE COMPRISING MODIFIED NUCLEOTIDES Non-Final OA STRAND THERAPEUTICS INC.
17701325 COMPOSITIONS AND METHODS FOR MODULATING APOLIPOPROTEIN B (APOB) GENE EXPRESSION Non-Final OA Omega Therapeutics, Inc.
17362950 METHODS FOR PRODUCING ISOBUTENE FROM 3-METHYLCROTONIC ACID Final Rejection Scientist of Fortune, S.A.
16994283 USE OF INHIBITORS OF IL-36 PROTEOLYTIC PROCESSING FOR THE TREATMENT AND/OR REDUCTION OF INFLAMMATION Non-Final OA THE PROVOST, FILLOWS, FOUNDATIO SCHOLARS, & THE OTHER MEMBERS OF BOARD, OF THE COLLEGE OF THE HOLY

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