Prosecution Insights
Last updated: October 26, 2026

Cal J Eustaquio, USPTO Patent Examiner

Listed by the USPTO as EUSTAQUIO, CAL J

Tech Center 3700 • Art Units: 2612 2683 2686 2844 3732

This examiner grants 64% of resolved cases

Analysis

EUSTAQUIO, CAL J is assigned to technology center 3700 and art unit 2612. The profile covers 698 resolved cases, with an allowance rate of 63.8%, an interview lift of 35.4%, and a median of 1072 days to allowance. The combination shows substantial examination volume and a meaningful association between interviews and improved outcomes in the recorded matters.

The case history includes Stryker Corporation, Toyota Motor Corporation, and Kabushiki Kaisha Toshiba. The most frequently listed firms are BANNER & WITCOFF , LTD, CARSTENS, ALLEN & GOURLEY, LLP, and DITTHAVONG, STEINER, & MLOTKOWSKI. For prosecution planning, the interview measure supports considering examiner interviews as part of response strategy, while the allowance timing indicates that applicants should account for extended pendency in this docket.

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

Performance Statistics

63.8%
Allow Rate
-6.2% vs TC avg
728
Total Applications
+35.4%
Interview Lift
1072
Avg Prosecution Days
Based on 698 resolved cases, 2023–2026

Rejection Statute Breakdown

2.1%
§101 Eligibility
18.3%
§102 Novelty
64.4%
§103 Obviousness
10.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18981816 PATIENT RISK NOTIFICATION SYSTEM Final Rejection Stryker Corporation
18774946 WARNING CONTROL DEVICE, WARNING CONTROL METHOD AND COMPUTER-READABLE STORAGE MEDIUM Final Rejection HONDA MOTOR CO.,LTD.
18519984 APPARATUS AND METHOD FOR DISPLAYING VEHICLE CLUSTER Final Rejection KIA CORPORATION
18774722 VEHICLE CONTROL DEVICE AND VEHICLE CONTROL METHOD Non-Final OA DENSO CORPORATION
17788712 ELECTRONIC FIRE DETECTION SYSTEM FOR USE IN RESTAURANTS Non-Final OA Tyco Fire Products LP

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Frequently Asked Questions

What is examiner Cal J Eustaquio's allowance rate?

63.8% of resolved applications examined by Cal J Eustaquio were allowed (698 resolved cases), compared with 70.3% across Art Unit 2612 over the last five years.

Does an interview help with examiner Cal J Eustaquio?

This examiner's interview lift is +35.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Cal J Eustaquio take to allow a patent?

Applications allowed by Cal J Eustaquio took 1,072 days on average from filing to allowance.

Which art unit does examiner Cal J Eustaquio work in?

Cal J Eustaquio examines applications in Art Unit 2612 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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