Prosecution Insights
Last updated: May 29, 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
51
Total Applications
+8.3%
Interview Lift
1175
Avg Prosecution Days
Based on 32 resolved cases, 2023–2026

Rejection Statute Breakdown

1.3%
§101 Eligibility
3.9%
§102 Novelty
50.0%
§103 Obviousness
9.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
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.
18306958 MULTISPECIFIC ANTIBODIES TARGETING IL-13 AND IL-18 Non-Final OA NOVARTIS AG
17421337 EX VIVO ACTIVATED T-LYMPHOCYTIC COMPOSITIONS AND METHODS OF USING THE SAME Non-Final OA CHILDREN'S NATIONAL MEDICAL CENTER
18020584 SINGLE VARIABLE DOMAIN AND ANTIGEN BINDING MOLECULE BINDING BCMA Non-Final OA CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD.
18318425 EFFECTIVE DOSAGE OF RECOMBINANT SERPIN-FC FUSION PROTEIN FOR USE IN A METHOD OF TREATING AAT DEFICIENCY IN A SUBJECT Non-Final OA Sanofi AATD Inc.
17758116 BCMA-DIRECTED CELLULAR IMMUNOTHERAPY COMPOSITIONS AND METHODS Non-Final OA Nkarta, Inc.
17428341 STABILIZED Fc FUSION PROTEIN SOLUTIONS Non-Final OA ARECOR LIMITED
17796148 METHODS AND COMPOSITIONS FOR TREATING CANCER OR VIRAL INFECTION WITH A PLA2G2D ANTAGONIST Final Rejection Apeximmune Therapeutics Inc.
17758524 TGF-BETA INHIBITORS AND USE THEREOF Non-Final OA SCHOLAR ROCK, INC.

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month