Prosecution Insights
Last updated: October 27, 2026

Zachary C Howard, USPTO Patent Examiner

Listed by the USPTO as HOWARD, ZACHARY C

Tech Center 1700 • Art Units: 1646 1674 1681 1797

This examiner grants 64% of resolved cases

Analysis

HOWARD, ZACHARY C is a USPTO patent examiner in tech center 1700 and art unit 1646. The profile reports 968 resolved cases, an allowance rate of 63.9%, and a median of 1036 days to allowance. The interview lift is 37.7%, making examiner interviews a significant prosecution consideration in the available data.

The principal companies are Regeneron Pharmaceuticals Inc., Novartis AG, and Pharmazz Inc. The listed firms are MCDONNELL BOEHNEN HULBERT & BERGHOFF LLP, ARRIGO, LEE, GUTTMAN & MOUTA-BELLUM LLP, and BLANK ROME LLP. Practitioners can use the record to align claim development and interview preparation with observed outcomes.

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

Performance Statistics

63.9%
Allow Rate
-1.1% vs TC avg
1,019
Total Applications
+37.7%
Interview Lift
1036
Avg Prosecution Days
Based on 968 resolved cases, 2023–2026

Rejection Statute Breakdown

5.0%
§101 Eligibility
22.8%
§102 Novelty
18.1%
§103 Obviousness
37.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18278676 FLUORESCENT BIOSENSORS AND METHODS OF USE FOR DETECTING CELL SIGNALING EVENTS Final Rejection THE REGENTS OF THE UNIVERSITY OF MICHIGAN
18251913 ANTIBODY Fc VARIANTS Final Rejection Novartis AG
18187242 USE OF CANAKINUMAB Non-Final OA Novartis AG
18015444 METHODS FOR TREATING CARDIOVASCULAR DISEASE Non-Final OA Novo Nordisk A/S
18283887 METHODS AND MATERIALS FOR TARGETING TUMOR ANTIGENS Final Rejection The Johns Hopkins University
18031840 CD47 BLOCKADE AND COMBINATION THERAPIES THEREOF FOR REDUCTION OF VASCULAR INFLAMMATION Non-Final OA The Board of Trustees of the Leland Stanford Junior University
18776820 METHODS FOR TREATING ATOPIC DERMATITIS BY ADMINISTERING AN IL-4R ANTAGONIST Non-Final OA REGENERON PHARMACEUTICALS, INC.
18674399 METHODS OF INCREASING STRENGTH AND FUNCTIONALITY WITH GDF8 INHIBITORS Non-Final OA Regeneron Pharmaceuticals, Inc.
18130980 COMPOSITIONS AND METHODS FOR TREATING POLYMYALGIA RHEUMATICA BY ADMINISTERING AN IL-6R ANTAGONIST Non-Final OA Regeneron Pharmaceuticals, Inc.
18026696 THERAPEUTIC AGENTS AND USES THEREOF Non-Final OA THE BOARD OF REGENTS OF THE UNIVERSITY OF TEXAS SYSTEM
18558013 Lipid Nanoparticle Therapeutics that Evade the Immune Response Non-Final OA The Trustees of the University of Pennsylvania
18546384 CELL THERAPY COMPOSITIONS AND METHODS FOR MODULATING TGF-B SIGNALING Non-Final OA TAKEDA PHARMACEUTICAL COMPANY LIMITED

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Frequently Asked Questions

What is examiner Zachary C Howard's allowance rate?

63.9% of resolved applications examined by Zachary C Howard were allowed (968 resolved cases), compared with 40.9% across Art Unit 1646 over the last five years.

Does an interview help with examiner Zachary C Howard?

This examiner's interview lift is +37.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Zachary C Howard take to allow a patent?

Applications allowed by Zachary C Howard took 1,036 days on average from filing to allowance.

Which art unit does examiner Zachary C Howard work in?

Zachary C Howard examines applications in Art Unit 1646 in Tech Center 1700 (Chemistry & Materials).

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