Prosecution Insights
Last updated: April 19, 2026

Examiner: O'BRIEN, LEA S

Tech Center 1600 • Art Units: 1644 1646

This examiner grants 50% of resolved cases

Performance Statistics

50.0%
Allow Rate
-10.0% vs TC avg
49
Total Applications
+8.3%
Interview Lift
1100
Avg Prosecution Days
Based on 32 resolved cases, 2023–2026

Rejection Statute Breakdown

6.5%
§101 Eligibility
10.6%
§102 Novelty
29.9%
§103 Obviousness
26.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17762685 NOTCH RECEPTORS WITH MINIMAL LINKER Non-Final OA The Regents of the University of California
18307309 METHODS FOR SELECTING PATIENTS FOR TREATMENT WITH AN NGF ANTAGONIST Non-Final OA Regeneron Pharmaceuticals, Inc.
17602562 HUMAN ANTIBODIES THAT BIND RET AND METHODS OF USE THEREOF Final Rejection Regeneron Pharmaceuticals, Inc.
17421337 EX VIVO ACTIVATED T-LYMPHOCYTIC COMPOSITIONS AND METHODS OF USING THE SAME Non-Final OA CHILDREN'S NATIONAL MEDICAL CENTER
17627894 CELL-TYPE SELECTIVE IMMUNOPROTECTION OF CELLS Non-Final OA UNIVERSITY OF ROCHESTER
18020584 SINGLE VARIABLE DOMAIN AND ANTIGEN BINDING MOLECULE BINDING BCMA Non-Final OA CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD.
17758524 TGF-BETA INHIBITORS AND USE THEREOF Non-Final OA SCHOLAR ROCK, INC.
17757056 NUCLEIC ACID ENCODING LILRB1-BASED CHIMERIC ANTIGEN RECEPTOR Non-Final OA A2 Biotherapeutics, Inc.
17758116 BCMA-DIRECTED CELLULAR IMMUNOTHERAPY COMPOSITIONS AND METHODS Non-Final OA Nkarta, Inc.
17796148 METHODS AND COMPOSITIONS FOR TREATING CANCER OR VIRAL INFECTION WITH A PLA2G2D ANTAGONIST Final Rejection Apeximmune Therapeutics Inc.

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