Prosecution Insights
Last updated: October 26, 2026

Rehana Perveen, USPTO Patent Examiner

Listed by the USPTO as PERVEEN, REHANA

Tech Center 2100 • Art Units: 2100 2129 2148 2155 2186 2188 2189

This examiner grants 83% of resolved cases

Analysis

PERVEEN, REHANA works in tech center 2100 and art unit 2100. The record contains 42 resolved cases, an 83.3% allowance rate, and a median of 1339 days to allowance. The 0.0% interview lift indicates no observed allowance effect associated with interviews in this profile.

Halliburton Energy Services Inc., Siemens Aktiengesellschaft, and Northrop Grumman Systems Corporation are the leading listed companies. The listed firms are C. Tumey Law Group PLLC - HES, SHUMAKER, LOOP & KENDRICK, LLP, and Slayden Grubert Beard PLLC. Because the case history is limited, practitioners should treat the outcome and interview measures as profile-specific signals rather than broad predictions.

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

Performance Statistics

83.3%
Allow Rate
+28.3% vs TC avg
46
Total Applications
+0.0%
Interview Lift
1339
Avg Prosecution Days
Based on 42 resolved cases, 2023–2026

Rejection Statute Breakdown

29.0%
§101 Eligibility
18.3%
§102 Novelty
39.7%
§103 Obviousness
12.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17701921 Method For Selection Of Cement Composition For Wells Experiencing Cyclic Loads Non-Final OA Halliburton Energy Services, Inc.

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Frequently Asked Questions

What is examiner Rehana Perveen's allowance rate?

83.3% of resolved applications examined by Rehana Perveen were allowed (42 resolved cases), compared with 38.8% across Art Unit 2100 over the last five years.

Does an interview help with examiner Rehana Perveen?

This examiner's interview lift is +0.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Rehana Perveen take to allow a patent?

Applications allowed by Rehana Perveen took 1,339 days on average from filing to allowance.

Which art unit does examiner Rehana Perveen work in?

Rehana Perveen examines applications in Art Unit 2100 in Tech Center 2100 (Computing & Software).

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