Prosecution Insights
Last updated: October 02, 2026

Examiner: WEIDNER, ADAM M

Tech Center 1600 • Art Units: 1642 1645 1649 1651 1674 1675 1677 1678

This examiner grants 64% of resolved cases

Analysis

Examiner Adam M Weidner is assigned to Art Unit 1642 within Tech Center 1600, having overseen a total of 649 resolved cases. The available data shows an allowance rate of 63.5 percent for these applications. For those cases that result in a patent, the median days to allowance is 864. This timeframe serves as a data point for practitioners to evaluate the length of the prosecution process under this examiner's review.

The impact of examiner interviews is reflected in an interview lift of 33.8 percent. This metric illustrates the difference in the likelihood of allowance when an interview is conducted compared to the overall allowance rate of 63.5 percent. By examining the 649 resolved cases, practitioners can assess how direct engagement influences outcomes. Furthermore, the 864 median days to allowance helps in managing the prosecution timeline for applications assigned to Art Unit 1642 of Tech Center 1600.

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

Performance Statistics

63.5%
Allow Rate
+3.5% vs TC avg
683
Total Applications
+33.8%
Interview Lift
864
Avg Prosecution Days
Based on 649 resolved cases, 2023–2026

Rejection Statute Breakdown

9.2%
§101 Eligibility
12.1%
§102 Novelty
25.4%
§103 Obviousness
33.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18691254 CD33 x Vd2 MULTISPECIFIC ANTIBODIES FOR THE TREATMENT OF CANCER Non-Final OA Janssen Biotech, Inc.
17623913 ANTIBODY DRUG CONJUGATE PURIFICATION Non-Final OA Merck Patent GmbH
18528645 SYSTEMS AND METHODS FOR THE PREPARATION OF PEPTIDE-MHC-I COMPLEXES WITH NATIVE GLYCAN MODIFICATIONS Non-Final OA The Regents of The University of California
18230480 COMPOSITIONS AND METHODS FOR TREATING BRAIN INJURY Final Rejection The Regents of the University of California
17799444 PLATELET FACTORS AND COGNITIVE IMPROVEMENT Non-Final OA The Regents of the University of California
18581931 AUTOIMMUNE ANTIBODIES FOR USE IN INHIBITING CANCER CELL GROWTH Non-Final OA The Johns Hopkins University
18549803 ANTI-AMYLOID BETA ANTIBODIES AND USES THEREOF Non-Final OA Eli Lilly and Company
18487767 COMPOSITIONS AND METHODS FOR TREATING AND PREVENTING AUTOIMMUNE INDUCED CARDIAC LONG QT SYNDROME Final Rejection New York University
18021085 IGFBP7 FOR THE ASSESSMENT OF SILENT BRAIN INFARCTS AND COGNITIVE DECLINE Non-Final OA Roche Diagnostics Operations, Inc.
18331607 Targeted Gene Therapies for Pain and Other Neuro-Related Disorders Final Rejection University of Pittsburgh - Of the Commonwealth System of Higher Education
18023573 IMMUNOGENIC COMPOSITION TARGETING PHOSPHORYLATED TAU PROTEIN Non-Final OA OSAKA UNIVERSITY
18562868 Combination Therapies for Treating Cancer Non-Final OA GlaxoSmithKline Intellectual Property Development Limited
18445651 Fusion Protein Composition(s) Comprising Masked Type I Interferons (IFNa and IFNb) For Use in the Treatment of Cancer and Methods Thereof Non-Final OA Nammi Therapeutics, Inc.
18579591 USE OF INSULIN-LIKE GROWTH FACTOR BINDING PROTEIN 2 IN THE PREPARATION OF DRUGS FOR THE TREATMENT OF NEUROLOGICAL DEMYELINATING DISEASES Non-Final OA SHANGHAI MENTAL HEALTH CENTER (SHANGHAI PSYCHOLOGICAL COUNSELLING TRAINING CENTER)

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