Prosecution Insights
Last updated: October 26, 2026

Omar Casillashernandez, USPTO Patent Examiner

Listed by the USPTO as CASILLASHERNANDEZ, OMAR

Tech Center 3600 • Art Units: 2685 2689 3651 3685

This examiner grants 77% of resolved cases

Analysis

CASILLASHERNANDEZ, OMAR works in tech center 3600 and art unit 2685. The record covers 652 resolved cases, with a 76.8% allowance rate and a 774-day median to allowance. The 17.4% interview lift indicates that interviews have been associated with a meaningful improvement in allowance outcomes in this docket.

The listed portfolio includes Arashi Vision Inc., Ferrari S.p.a., and Snbr Inc. The leading firms are The Belles Group, P.C., AMSTER, ROTHSTEIN & EBENSTEIN LLP, and CANTOR COLBURN LLP. Applicants prosecuting in this art unit can use the profile to prepare for a substantial examination history while evaluating whether interview-based clarification fits the case strategy.

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

Performance Statistics

76.8%
Allow Rate
+24.8% vs TC avg
679
Total Applications
+17.4%
Interview Lift
774
Avg Prosecution Days
Based on 652 resolved cases, 2023–2026

Rejection Statute Breakdown

2.6%
§101 Eligibility
19.0%
§102 Novelty
53.2%
§103 Obviousness
16.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18636433 MOTOR VEHICLE WITH A SOUND GENERATION ASSEMBLY Non-Final OA FERRARI S.P.A.
19220641 BIOLOGICAL INFORMATION OUTPUT DEVICE Non-Final OA Murata Manufacturing Co., Ltd.
17764416 METHOD, APPARATUS AND COMPUTER PROGRAM FOR SUPPORTING LOCATION SERVICES REQUIREMENTS Non-Final OA NOKIA TECHNOLOGIES OY

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Frequently Asked Questions

What is examiner Omar Casillashernandez's allowance rate?

76.8% of resolved applications examined by Omar Casillashernandez were allowed (652 resolved cases), compared with 70.9% across Art Unit 2685 over the last five years.

Does an interview help with examiner Omar Casillashernandez?

This examiner's interview lift is +17.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Omar Casillashernandez take to allow a patent?

Applications allowed by Omar Casillashernandez took 774 days on average from filing to allowance.

Which art unit does examiner Omar Casillashernandez work in?

Omar Casillashernandez examines applications in Art Unit 2685 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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