Prosecution Insights
Last updated: October 27, 2026

Zachary A Davis, USPTO Patent Examiner

Listed by the USPTO as DAVIS, ZACHARY A

Tech Center 2400 • Art Units: 2137 2431 2437 2492

This examiner grants 54% of resolved cases

Analysis

Zachary A. Davis has 518 resolved cases in Tech Center 2400 and Art Unit 2137. The allowance rate is 53.9%, and the median time to allowance is 1633 days. The record indicates a lower allowance outcome and the longest median timeline in this profile, making early prosecution planning particularly important.

The interview lift is 21.9%, suggesting that direct discussion may provide a useful avenue for addressing examination issues despite the overall allowance result. The leading companies are Huawei, Intel, and Nippon Telegraph and Telephone. K&L GATES, Leydig Voit & Mayer, and Blueshift IP are the listed leading firms.

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

Performance Statistics

53.9%
Allow Rate
-4.1% vs TC avg
573
Total Applications
+21.9%
Interview Lift
1633
Avg Prosecution Days
Based on 518 resolved cases, 2023–2026

Rejection Statute Breakdown

12.2%
§101 Eligibility
15.7%
§102 Novelty
30.8%
§103 Obviousness
38.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17721619 COMMUNICATION DEVICE AND NON-TRANSITORY COMPUTER-READABLE MEDIUM STORING COMPUTER-READABLE INSTRUCTIONS FOR COMMUNICATION DEVICE Final Rejection BROTHER KOGYO KABUSHIKI KAISHA
18604008 THREAT MODELING AT SCALE Non-Final OA Wells Fargo Bank, N.A.
18160118 ASSOCIATION CONTROL METHOD AND RELATED APPARATUS Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
18070203 KEY OBTAINING METHOD AND RELATED APPARATUS Final Rejection HUAWEI TECHNOLOGIES CO., LTD.
18656520 AUTOMATED THREAT MODELING USING APPLICATION RELATIONSHIPS Final Rejection Amazon Technologies, Inc.
18688166 POSITIONING REFERENCE SIGNAL (PRS) SECURITY FROM SPOOFING ATTACKS Non-Final OA QUALCOMM Incorporated
18090842 LOCALIZED DEVICE ATTESTATION Final Rejection INTEL CORPORATION
18089398 Systems And Methods For Securing Input/Output Data Final Rejection Intel Corporation
18861955 CALCULATION RESULT DISTRIBUTION DEVICE, CALCULATION RESULT PROTECTION SYSTEM, AND CALCULATION RESULT DISTRIBUTION METHOD Final Rejection NTT, Inc.
18681498 COMPACT ADAPTIVELY SECURE FUNCTIONAL ENCRYPTION FOR ATTRIBUTE-WEIGHTED SUMS Final Rejection NTT RESEARCH, INC.
18682080 METHOD AND SYSTEM FOR GENERATING A SECRET KEY USING NON-COMMUNICATING ENTITIES Final Rejection Visa International Service Association
18135582 METHODS AND SYSTEMS FOR SHARING PRIVATE DATA Final Rejection Adeia Guides Inc.
18431415 TRUSTED NETWORK TO PREVENT REPLACEMENT AND CLONING ATTACKS Final Rejection Micron Technology, Inc.
18431653 TRUSTED COMPUTE ENVIRONMENT USING A SECURE ELEMENT AND DEVICE IDENTITY COMPOSITION ENGINE (DICE) Final Rejection Micron Technology, Inc.
18237247 SECURE BOOT PROCEDURE Final Rejection Micron Technology, Inc.
19125702 METHOD AND SYSTEM FOR DETECTING MALICIOUS APPLICATIONS Non-Final OA Microsoft Technology Licensing, LLC
18416060 ELECTRONIC DEVICE, METHOD OF CONTROLLING ELECTRONIC DEVICE, AND PROGRAM INCLUDING A FIRST SUBSTRATE AND A SECOND SUBSTRATE Final Rejection Sharp Kabushiki Kaisha
18858918 METHODS, ARCHITECTURES, APPARATUSES, AND SYSTEMS FOR DECENTRALIZED DATA CONTROL AND ACCESS MANAGEMENT Final Rejection InterDigital Patent Holdings, Inc.
18434628 POLICY-DRIVEN KERNEL EXTENSION SECURITY Final Rejection International Business Machines Corporation
18855464 APPLICATION KEY DELETION METHOD, KEY ANCHOR NODE, SERVER, AND MEDIUM Final Rejection ZTE CORPORATION
17859715 CONSTRAINING APPLICATION WORKLOADS USING DATA COMPLIANCE RULES Final Rejection Cisco Technology, Inc.
18311128 Digital Picture Verification for Communication Applications Final Rejection T-Mobile Innovations LLC
18450035 ELECTRONIC PROTECTION OF SENSITIVE INFORMATION VIA DATA EMBEDDING AND NOISE ADDITION Final Rejection PAYPAL, INC.
17168577 SYSTEMS AND METHODS FOR DEVICE LOCATION VERIFICATION Non-Final OA Boost SubscriberCo L.L.C.
17631836 SDN-BASED INTRUSION RESPONSE METHOD FOR IN-VEHICLE NETWORK, AND SYSTEM USING SAME Final Rejection Korea University Research and Business Foundation
17466830 PROTECTIONS FOR SENSITIVE CONTENT ITEMS IN A CONTENT MANAGEMENT SYSTEM Final Rejection Dropbox, Inc.
18735997 CLUSTERED CONTINUOUS DATA CONTENT INTEGRITY COMPROMISE DETECTION Final Rejection Dell Products L.P.
18426943 MANAGING DEVICE ONBOARDING AFTER COMPONENT REPLACEMENT Final Rejection Dell Products L.P.

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Frequently Asked Questions

What is examiner Zachary A Davis's allowance rate?

53.9% of resolved applications examined by Zachary A Davis were allowed (518 resolved cases), compared with 75.9% across Art Unit 2137 over the last five years.

Does an interview help with examiner Zachary A Davis?

This examiner's interview lift is +21.9 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 A Davis take to allow a patent?

Applications allowed by Zachary A Davis took 1,633 days on average from filing to allowance.

Which art unit does examiner Zachary A Davis work in?

Zachary A Davis examines applications in Art Unit 2137 in Tech Center 2400 (Networking & Security).

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