Prosecution Insights
Last updated: October 25, 2026

Longbit Chai, USPTO Patent Examiner

Listed by the USPTO as CHAI, LONGBIT

Tech Center 2400 • Art Units: 2131 2431

This examiner grants 88% of resolved cases

Analysis

CHAI, LONGBIT has 761 resolved cases, an 87.9% allowance rate, and a median of 990 days to allowance. The profile is assigned to Tech Center 2400 and art unit 2131. The 31.2% interview lift is the most prominent measured prosecution signal in the profile and supports deliberate interview preparation.

The listed companies, CyberArk Software Ltd., Darktrace Holdings Limited, and Fortinet Inc., are all associated with cybersecurity. K&L GATES LLP-Pittsburgh, RUTAN & TUCKER, LLP, and Secant IP, PLLC are the listed firms with the strongest representation. Security applicants can treat this company and firm concentration as a practical guide when evaluating examiner-specific experience.

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

Performance Statistics

87.9%
Allow Rate
+29.9% vs TC avg
778
Total Applications
+31.2%
Interview Lift
990
Avg Prosecution Days
Based on 761 resolved cases, 2023–2026

Rejection Statute Breakdown

16.2%
§101 Eligibility
35.1%
§102 Novelty
41.4%
§103 Obviousness
6.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19045168 Cloud security control platform that enforces scope-based security controls Non-Final OA Individual inventor
19053216 ARTIFICIAL INTELLIGENCE BASED ANALYST AS AN EVALUATOR Non-Final OA Darktrace Holdings Limited
19092193 SYSTEMS AND METHODS FOR FINE GRAINED FORWARD TESTING FOR A ZTNA ENVIRONMENT Non-Final OA Fortinet, Inc.
19092320 CENTRALIZED DATABASE STORED FUNCTION PROTECTION Non-Final OA CyberArk Software Ltd.
18217260 AGENTLESS IN-MEMORY CACHING FOR NATIVE NETWORK RESOURCE CONNECTIONS Non-Final OA CyberArk Software Ltd.
18818969 DEVICES, SYSTEMS, AND METHODS FOR STANDARDIZING AND STREAMLINING THE DEPLOYMENT OF SECURITY INFORMATION AND EVENT MANAGEMENT ARTIFACTS FOR MULTIPLE TENANTS Non-Final OA BlueVoyant LLC
18970219 SYSTEM AND METHODS FOR VULNERABILITY ASSESSMENT AND PROVISIONING OF RELATED SERVICES AND PRODUCTS FOR EFFICIENT RISK SUPPRESSION Final Rejection Aon Risk Consultants, Inc.

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Frequently Asked Questions

What is examiner Longbit Chai's allowance rate?

87.9% of resolved applications examined by Longbit Chai were allowed (761 resolved cases), compared with 0.0% across Art Unit 2131 over the last five years.

Does an interview help with examiner Longbit Chai?

This examiner's interview lift is +31.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Longbit Chai take to allow a patent?

Applications allowed by Longbit Chai took 990 days on average from filing to allowance.

Which art unit does examiner Longbit Chai work in?

Longbit Chai examines applications in Art Unit 2131 in Tech Center 2400 (Networking & Security).

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