Prosecution Insights
Last updated: October 02, 2026

Examiner: BRISTOL, LYNN ANNE

Tech Center 1600 • Art Units: 1600 1617 1643 1645 1646

This examiner grants 63% of resolved cases

Analysis

Lynn Anne Bristol is a patent examiner in Tech Center 1600 and Art Unit 1600. She has overseen 1157 resolved cases, providing a substantial dataset for practitioners to analyze. Her allowance rate of 63.4% serves as a primary indicator of the likelihood of securing a patent grant during prosecution. This 63.4% rate suggests the frequency with which applications in her docket reach a successful conclusion, offering a clear expectation for stakeholders in this technology area.

The interview lift of 39.8% is a notable metric for practitioners. This 39.8% figure indicates that conducting a formal interview with Bristol is associated with an increase in the probability of an application being allowed. Given this lift, attorneys may find that direct communication is an effective tool for resolving technical issues. Additionally, the median days to allowance is 1229. This 1229-day timeline provides a temporal benchmark for the prosecution cycle from filing to grant. The combination of 1157 resolved cases and the 1229-day median pendency offers a comprehensive view of the examiner's historical performance. Practitioners can use these data points to inform their strategy and manage client expectations.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

63.4%
Allow Rate
+3.4% vs TC avg
1,219
Total Applications
+39.8%
Interview Lift
1229
Avg Prosecution Days
Based on 1157 resolved cases, 2023–2026

Rejection Statute Breakdown

3.7%
§101 Eligibility
8.2%
§102 Novelty
14.5%
§103 Obviousness
48.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17910327 AFFINITY MATURED AND HUMANIZED BINDING DOMAINS TARGETING ROR2 Non-Final OA UNIVERSITY OF FLORIDA RESEARCH FOUNDATION INCORPORATED
18210885 Safe and Effective Method of Treating Ulcerative Colitis with Anti-IL12/IL23 Antibody Non-Final OA Janssen Biotech, Inc.
18124096 PURIFICATION OF MULTISPECIFIC ANTIBODIES Non-Final OA GENENTECH, INC.
17257391 ANTIBODY TUMOR-TARGETING ASSEMBLY COMPLEXES Non-Final OA THE GENERAL HOSPITAL CORPORATION
18268840 EFFECTORLESS FC MOLECULES Final Rejection SANOFI
17481578 SERUM ALBUMIN-BINDING IMMUNOGLOBULIN VARIABLE DOMAINS Non-Final OA Sanofi
17914432 METHOD FOR PRODUCING MULTISPECIFIC ANTIGEN-BINDING MOLECULES Non-Final OA Chugai Seiyaku Kabushiki Kaisha
18600323 ANTI-TIM3 ANTIBODIES AND METHODS OF USE Non-Final OA Hoffmann-La Roche Inc.
18051307 PREDICTING RESPONSE TO PD-1 AXIS INHIBITORS Non-Final OA Hoffmann-La Roche Inc.
17937440 BISPECIFIC ANTIBODIES COMPRISING A MODIFIED C-TERMINAL CROSSFAB FRAGMENT Non-Final OA Hoffmann-La Roche Inc.
17907781 SELECTIVE MODULATION OF TRANSFORMING GROWTH FACTOR BETA SUPERFAMILY SIGNALING VIA MULTI-SPECIFIC ANTIBODIES Non-Final OA The Brigham and Women's Hospital, Inc.
16435257 TREATMENT OF CANCER USING ANTI-CD19 CHIMERIC ANTIGEN RECEPTOR Non-Final OA The Trustees of the University of Pennsylvania
18538279 ANTIBODY CONSTRUCTS FOR MSLN AND CD3 Non-Final OA AMGEN INC.
18042267 ANTIGEN BINDING PROTEINS WITH NON-CANONICAL DISULFIDE IN FAB REGION Final Rejection AMGEN INC.
16869793 DOSING REGIMEN FOR ANTI-BCMA AGENTS Non-Final OA AMGEN INC.
18365239 FUSION PROTEIN BASED ON SINGLE-CHAIN ANTIBODY FRAGMENT, NANO-ASSEMBLY, AND PREPARATION METHODS THEREFOR AND APPLICATIONS THEREOF Final Rejection SOUTH CHINA UNIVERSITY OF TECHNOLOGY
18474824 METHODS AND COMPOSITIONS FOR T-CELL COCULTURE POTENCY ASSAYS AND USE WITH CELL THERAPY PRODUCTS Non-Final OA Iovance Biotherapeutics, Inc.
18501782 A33 ANTIBODY COMPOSITIONS AND METHODS OF USING THE SAME IN RADIOIMMUNOTHERAPY Non-Final OA MEMORIAL SLOAN KETTERING CANCER CENTER
18007012 NOVEL BISPECIFIC ANTI-CD3/CD20 POLYPEPTIDE COMPLEX FORMULATION Non-Final OA CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD.
17922230 ANTIGEN BINDING CONSTRUCTS TARGETING HER2 AND USES THEREOF Non-Final OA Chia Tai Tianqing Pharmaceutical Group Co., Ltd.
18414892 BCMA Monoclonal Antibody-Drug Conjugate Non-Final OA MedImmune, LLC
17907683 STABILIZED IGG4 ANTIBODIES AND USES THEREOF Non-Final OA MEDIMMUNE, LLC
18284009 TRUNCATED TACI POLYPEPTIDE AND FUSION PROTEIN AND USE THEREOF Non-Final OA SHANGHAI HENGRUI PHARMACEUTICAL CO., LTD.
17926283 METHODS AND MEANS FOR THE PRODUCTION OF IG-LIKE MOLECULES Non-Final OA MERUS N.V.
17755196 MEANS AND METHODS FOR TREATING SUBJECTS WITH HER2 AND HER3 POSITIVE CANCER Non-Final OA Merus N.V.
18027583 EGFR BINDING COMPLEX AND METHOD OF MAKING AND USING THEREOF Final Rejection BAILI-BIO (CHENGDU) PHARMACEUTICAL CO., LTD.
18056648 CYTOKINE VARIANT ANTIBODIES AND METHODS OF USE Final Rejection Twist Bioscience Corporation

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