Prosecution Insights
Last updated: May 29, 2026

Examiner: BRISTOL, LYNN ANNE

Tech Center 1600 • Art Units: 1643 1645 1646

This examiner grants 64% of resolved cases

Performance Statistics

63.7%
Allow Rate
+3.7% vs TC avg
1,205
Total Applications
+39.7%
Interview Lift
1225
Avg Prosecution Days
Based on 1139 resolved cases, 2023–2026

Rejection Statute Breakdown

1.1%
§101 Eligibility
6.7%
§102 Novelty
15.5%
§103 Obviousness
45.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18124096 PURIFICATION OF MULTISPECIFIC ANTIBODIES Non-Final OA GENENTECH, INC.
18042267 ANTIGEN BINDING PROTEINS WITH NON-CANONICAL DISULFIDE IN FAB REGION Non-Final OA AMGEN INC.
18051307 PREDICTING RESPONSE TO PD-1 AXIS INHIBITORS Final Rejection Hoffmann-La Roche Inc.
17937440 BISPECIFIC ANTIBODIES COMPRISING A MODIFIED C-TERMINAL CROSSFAB FRAGMENT Final Rejection Hoffmann-La Roche Inc.
19242715 COMPOSITIONS AND METHODS FOR TREATMENT OF THYROID EYE DISEASE Non-Final OA Viridian Therapeutics, Inc.
18364620 COMPOSITIONS AND METHODS FOR TREATMENT OF THYROID EYE DISEASE Non-Final OA Viridian Therapeutics, Inc.
16435257 TREATMENT OF CANCER USING ANTI-CD19 CHIMERIC ANTIGEN RECEPTOR Final Rejection The Trustees of the University of Pennsylvania
18268840 EFFECTORLESS FC MOLECULES Non-Final OA SANOFI
17481578 SERUM ALBUMIN-BINDING IMMUNOGLOBULIN VARIABLE DOMAINS Final Rejection Sanofi
17907781 SELECTIVE MODULATION OF TRANSFORMING GROWTH FACTOR BETA SUPERFAMILY SIGNALING VIA MULTI-SPECIFIC ANTIBODIES Final Rejection The Brigham and Women's Hospital, Inc.
18365239 FUSION PROTEIN BASED ON SINGLE-CHAIN ANTIBODY FRAGMENT, NANO-ASSEMBLY, AND PREPARATION METHODS THEREFOR AND APPLICATIONS THEREOF Non-Final OA SOUTH CHINA UNIVERSITY OF TECHNOLOGY
18018864 MULTISPECIFIC BINDING AGENTS AND USES THEREOF Final Rejection EXELIXIS, INC.
17929874 TREATMENT OF ATOPIC DERMATITIS EMPLOYING ANTI-IL-13Ra1 ANTIBODY OR BINDING FRAGMENT THEREOF IN AN ALLERGIC POPULATION Non-Final OA Vellera Therapeutics Inc.
18346975 ANTI-HLA-DQ2.5 ANTIBODY AND ITS USE FOR THE TREATMENT OF CELIAC DISEASE Non-Final OA Chugai Seiyaku Kabushiki Kaisha
17914432 METHOD FOR PRODUCING MULTISPECIFIC ANTIGEN-BINDING MOLECULES Non-Final OA Chugai Seiyaku Kabushiki Kaisha
16692676 ANTIGEN-BINDING MOLECULE HAVING REGULATED CONJUGATION BETWEEN HEAVY-CHAIN AND LIGHT-CHAIN Final Rejection Chugai Seiyaku Kabushiki Kaisha
18029525 METHODS OF TREATING DERMATOMYOSITIS Non-Final OA Alexion Pharmaceuticals, Inc.
17926283 METHODS AND MEANS FOR THE PRODUCTION OF IG-LIKE MOLECULES Final Rejection MERUS N.V.
17755196 MEANS AND METHODS FOR TREATING SUBJECTS WITH HER2 AND HER3 POSITIVE CANCER Non-Final OA Merus N.V.
17720954 ANTI-CD27 AND ANTI-PD-L1 ANTIBODIES AND BISPECIFIC CONSTRUCTS Non-Final OA Celldex Therapeutics, Inc.
18155740 CD3 BINDING ANTIBODIES Final Rejection TeneoBio, Inc.
17762463 BINDING MODULES COMPRISING MODIFIED EHD2 DOMAINS Final Rejection UNIVERSITÄT STUTTGART
18250347 RECOMBINANT T-CELL RECEPTORS THAT BIND THE NY-ESO-1 AND/OR LAGE-1A CANCER ANTIGENS Non-Final OA T-Cure Bioscience, Inc.
18463194 ANTI-PD-L1 ANTIBODIES Non-Final OA IGM Biosciences, Inc.
18239052 Multi-Specific Molecules Non-Final OA IMUNEXUS THERAPEUTICS LIMITED
18453107 COMBINED THERAPEUTIC USE OF ANTIBODIES AND IMMUNOGLOBULIN G-DEGRADING ENZYMES Non-Final OA Hansa Biopharma Limited
18450995 CANCER THERAPY USING CLDN6 TARGET-DIRECTED ANTIBODIES IN VIVO Non-Final OA Johannes Gutenberg-Universität Mainz
17822959 NOVEL ANTIBODY FRAMEWORKS Non-Final OA Numab Therapeutics AG
17922230 ANTIGEN BINDING CONSTRUCTS TARGETING HER2 AND USES THEREOF Final Rejection Chia Tai Tianqing Pharmaceutical Group Co., Ltd.
18320599 TRI-SPECIFIC BINDING MOLECULES THAT SPECIFICALLY BIND TO MULTIPLE CANCER ANTIGENS Non-Final OA MacroGenics, Inc.

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