Prosecution Insights
Last updated: October 27, 2026

Joe Chacko, USPTO Patent Examiner

Listed by the USPTO as CHACKO, JOE

Tech Center 2400 • Art Units: 2152 2441 2447 2456 2457

This examiner grants 75% of resolved cases

Analysis

CHACKO, JOE has 595 resolved cases and a 75.3% allowance rate, with a median of 1186 days to allowance. The examiner is assigned to Tech Center 2400 and art unit 2152. The measured interview lift is 28.3%, which supports considering interviews as part of an office-action response strategy.

The listed companies are Canon Inc., NEC Corporation, and Huawei Cloud Computing Technologies Co., Ltd. This group points to imaging, communications, and cloud-computing matters in the examiner’s represented portfolio. Blank Rome LLP - Houston General, Dinsmore & Shohl LLP, and Edell, Shapiro, & Finnan, LLC are the leading listed firms. Practitioners can review these firms’ matters for docket-specific prosecution patterns.

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

Performance Statistics

75.3%
Allow Rate
+17.3% vs TC avg
615
Total Applications
+28.3%
Interview Lift
1186
Avg Prosecution Days
Based on 595 resolved cases, 2023–2026

Rejection Statute Breakdown

11.0%
§101 Eligibility
22.0%
§102 Novelty
58.7%
§103 Obviousness
3.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19170677 COMMUNICATION APPARATUS, CONTROL METHOD, AND STORAGE MEDIUM Non-Final OA CANON KABUSHIKI KAISHA
19102114 METHODS FOR COMMUNICATION Non-Final OA NEC Corporation
19051421 Object Storage Service Configuration Method and Apparatus Based on Cloud Computing Technology Non-Final OA Huawei Cloud Computing Technologies Co., Ltd.
19223757 PROVIDING ACCESS BY A USER TO A NEWLY DEPLOYED ENTERPRISE SYSTEM IN A CLOUD COMPUTING ENVIRONMENT (as amended) Non-Final OA Fidelity Information Services, LLC
19108388 DATA AND ANALYTICS BASED ON INTERNAL WIRELESS COMMUNICATIONS SYSTEM DATA AND EXTERNAL DATA Non-Final OA Lenovo (Singapore) Pte. Limited
19292276 MAINTAINING DATA CONFIDENTIALITY IN SHARED COMPUTING ENVIRONMENTS Non-Final OA Mellanox Technologies, Ltd.
18961842 SYSTEMS AND METHODS FOR AUTOMATED APPLICATION DEPLOYMENT Final Rejection Allstate Insurance Company

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Frequently Asked Questions

What is examiner Joe Chacko's allowance rate?

75.3% of resolved applications examined by Joe Chacko were allowed (595 resolved cases), compared with 64.7% across Art Unit 2152 over the last five years.

Does an interview help with examiner Joe Chacko?

This examiner's interview lift is +28.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Joe Chacko take to allow a patent?

Applications allowed by Joe Chacko took 1,186 days on average from filing to allowance.

Which art unit does examiner Joe Chacko work in?

Joe Chacko examines applications in Art Unit 2152 in Tech Center 2400 (Networking & Security).

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