Prosecution Insights
Last updated: October 27, 2026

Edward X Long, USPTO Patent Examiner

Listed by the USPTO as LONG, EDWARD X

Tech Center 2400 • Art Units: 2439

This examiner grants 74% of resolved cases

Analysis

LONG, EDWARD X handles applications in Tech Center 2400 and Art Unit 2439. His record includes 196 resolved cases, a 74.0% allowance rate, and a median of 1074 days to allowance. Interview lift is 44.1%, the strongest positive interview association shown in this profile.

Nchain Licensing AG, Samsung Electronics Co., Ltd., and Microsoft Technology Licensing, LLC are the listed companies. Clifford Chi, A.P.C., Galvani Smith PLLC, and HUSCH BLACKWELL LLP are the associated firms. The favorable allowance rate and pronounced interview lift support pairing disciplined written amendments with well-prepared examiner interviews.

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

Performance Statistics

74.0%
Allow Rate
+16.0% vs TC avg
217
Total Applications
+44.1%
Interview Lift
1074
Avg Prosecution Days
Based on 196 resolved cases, 2023–2026

Rejection Statute Breakdown

15.2%
§101 Eligibility
5.2%
§102 Novelty
71.6%
§103 Obviousness
4.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18844865 TRANSLUCENT BLOCKCHAIN DATABASE Non-Final OA nChain Licensing AG
18604033 ELECTRONIC DEVICE AND OPERATING METHOD THEREOF Non-Final OA Samsung Electronics Co., Ltd.
18294678 METHOD FOR SECURELY PULLING A SIGNED CONTAINER IMAGE Final Rejection THALES DIS FRANCE SAS
19206855 PROJECT-BASED PERMISSION SYSTEM Non-Final OA Palantir Technologies Inc.
18339251 TEMPORARY ACCESS TO A RESOURCE AT EDGE SCENARIOS Non-Final OA INTERNATIONAL BUSINESS MACHINES CORPORATION
18925019 ROBUST METHODS FOR DYNAMIC RESOURCE ALLOCATION OF REMOTE SYSTEMS Final Rejection T-Mobile USA, Inc.
18926283 RECOVERY OF AN ENCRYPTED DATA OBJECT IN A SECURE PLATFORM ENVIRONMENT Final Rejection DELL PRODUCTS L.P.

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Frequently Asked Questions

What is examiner Edward X Long's allowance rate?

74.0% of resolved applications examined by Edward X Long were allowed (196 resolved cases), compared with 68.7% across Art Unit 2439 over the last five years.

Does an interview help with examiner Edward X Long?

This examiner's interview lift is +44.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Edward X Long take to allow a patent?

Applications allowed by Edward X Long took 1,074 days on average from filing to allowance.

Which art unit does examiner Edward X Long work in?

Edward X Long examines applications in Art Unit 2439 in Tech Center 2400 (Networking & Security).

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