Prosecution Insights
Last updated: October 26, 2026

Joshua Joo, USPTO Patent Examiner

Listed by the USPTO as JOO, JOSHUA

Tech Center 2400 • Art Units: 2154 2441 2445 2454

This examiner grants 78% of resolved cases

Analysis

JOO, JOSHUA is assigned to Tech Center 2400 and Art Unit 2154. The profile covers 1002 resolved cases and records a 78.4% allowance rate. The substantial resolved-case volume supports using this result as a meaningful indicator of the examiner’s observed prosecution outcomes, although no Art Unit average is supplied for a direct comparison.

The interview lift is 23.2%, indicating a positive association between interviews and allowance in the recorded cases. The median time to allowance is 1141 days, so practitioners should account for a prosecution timeline that may require sustained claim development and response planning. The top companies are Samsung Electronics Co., Ltd., Telefonaktiebolaget LM Ericsson, and Huawei Cloud Computing Technologies Co., Ltd. The listed firms are ARENTFOX SCHIFF LLP, Cooper Legal Group LLC, and FENWICK & WEST LLP.

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

Performance Statistics

78.4%
Allow Rate
+20.4% vs TC avg
1,037
Total Applications
+23.2%
Interview Lift
1141
Avg Prosecution Days
Based on 1002 resolved cases, 2023–2026

Rejection Statute Breakdown

10.7%
§101 Eligibility
11.0%
§102 Novelty
40.5%
§103 Obviousness
30.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18569297 METHODS FOR UPGRADING A FIRST DATA SESSION FOR A FIRST MEDIA TYPE TO HANDLE A SECOND MEDIA TYPE, NETWORK NODES AND A COMMUNICATION DEVICE IMPLEMENTING THE METHODS IN A COMMUNICATIONS NETWORK Non-Final OA Telefonaktiebolaget LM Ericsson (publ)
17996290 ORCHESTRATING EXECUTION OF A COMPLEX COMPUTATIONAL OPERATION Non-Final OA Telefonaktiebolaget LM Ericsson (publ)
19067669 TRANSMISSION MODE SWITCHING BASED ON A PERFORMANCE INDICATOR Final Rejection Samsung Electronics Co., Ltd.
19007216 SYSTEM AND METHODS FOR CLOUD AGNOSTIC INFRASTRUCTURE PROVISIONING Final Rejection SAMSUNG ELECTRONICS CO., LTD.
18896168 METHOD AND APPARATUS FOR PROCESSING MULTIPLEXED DATA IN A WIRELESS COMMUNICATION SYSTEM Non-Final OA Samsung Electronics Co., Ltd.
19221274 TECHNIQUES FOR ROTATING RESOURCE IDENTIFIERS IN PREFAB REGIONS Non-Final OA Oracle International Corporation
19252534 COMMUNICATION NETWORK SYSTEM AND METHOD FOR CHANGING COMMUNICATION SETTINGS DURING NETWORK UPDATE Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
19281148 RANDOM DIRECT MEMORY ACCESS NETWORK INTERFACE CONTROLLER Non-Final OA Huawei Cloud Computing Technologies Co., Ltd.
18959219 REDUCING PLACEMENT CONFLICTS BETWEEN CONCURRENT VIRTUAL MACHINE ALLOCATIONS Final Rejection Microsoft Technology Licensing, LLC
19065597 MICROSERVICE-AWARE FRAMEWORK FOR NETWORK-APPLICATION COLLABORATION Non-Final OA Nokia Solutions and Networks Oy
18666876 PROVIDING ON-SITE ALERTING FOR A DATA CENTER ENVIRONMENT Final Rejection International Business Machines Corporation
19293598 EFFICIENT PROVISIONING OF INTERNET CIRCUIT AND SECURE DOMAIN NAME SYSTEM Non-Final OA Level 3 Communications, LLC
19011209 MULTI-INVITATION MODE FOR TRANSPORT SERVICES Final Rejection Uber Technologies, Inc.
19072229 INFORMATION PROCESSING TERMINAL AND DATA MANAGEMENT SYSTEM Final Rejection DENSO WAVE INCORPORATED

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Who Appears Before This Examiner

Top companies before this examiner

Law firms appearing most often

Frequently Asked Questions

What is examiner Joshua Joo's allowance rate?

78.4% of resolved applications examined by Joshua Joo were allowed (1,002 resolved cases), compared with 67.7% across Art Unit 2154 over the last five years.

Does an interview help with examiner Joshua Joo?

This examiner's interview lift is +23.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Joshua Joo take to allow a patent?

Applications allowed by Joshua Joo took 1,141 days on average from filing to allowance.

Which art unit does examiner Joshua Joo work in?

Joshua Joo examines applications in Art Unit 2154 in Tech Center 2400 (Networking & Security).

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