Prosecution Insights
Last updated: October 02, 2026

Examiner: PAZ ESTEVEZ, GUILLERMO G

Tech Center 3700 • Art Units: 3783

This examiner grants 21% of resolved cases

Analysis

Guillermo G. Paz Estevez, an examiner in Tech Center 3700 and Art Unit 3783, has 14 resolved cases. The allowance rate is 21.4%, which indicates the proportion of applications that have reached a grant. The median days to allowance is 1448. This 1448-day metric provides a timeframe for practitioners to estimate the duration of successful prosecution in this unit.

The interview lift is 5.0%. This 5.0% lift shows a small increase in the probability of an allowance following an interview. With a 21.4% allowance rate, the impact of verbal communication is relatively modest. The 14 resolved cases provide a focused look at the examiner's historical patterns. Practitioners should account for the 1448-day median to allowance when managing their docket. The 21.4% allowance rate and the 5.0% interview lift are important data points for navigating Art Unit 3783. These 14 resolved cases in Tech Center 3700 suggest a rigorous examination process that requires careful planning and persistent effort to achieve a successful outcome.

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

Performance Statistics

21.4%
Allow Rate
-48.6% vs TC avg
70
Total Applications
+5.0%
Interview Lift
1448
Avg Prosecution Days
Based on 14 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
21.7%
§102 Novelty
66.4%
§103 Obviousness
10.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17926279 SURGICAL INSTRUMENT WITH INJECTION NEEDLE AND RETRACTABLE SHEATH Final Rejection Covidien LP
17479281 FLUID PRESSURE INDICATORS FOR MEDICAL DEVICES Final Rejection Boston Scientific Scimed, Inc.
18072286 Extension Leg Securement System Non-Final OA Bard Access Systems, Inc.
17971182 Guidewire Locking System for Catheter Placement Final Rejection Bard Access Systems, Inc.
19252857 SYSTEM, METHOD AND DEVICE FOR DELIVERY OF A THERAPEUTIC OR DIAGNOSTIC AGENT Final Rejection Bayer Healthcare LLC
17770696 SYSTEM, METHOD, AND COMPUTER PROGRAM PRODUCT FOR SMART FLUID INJECTOR PERFORMANCE MONITORING Non-Final OA BAYER HEALTHCARE LLC
17934524 DELIVERY APPARATUS FOR AN IMPLANTABLE MEDICAL DEVICE Final Rejection Edwards Lifesciences Corporation
17852027 PRESSURE-REGULATING CONNECTOR FOR INFUSION Non-Final OA CAREFUSION 303, INC
17759554 MEDICAL DEVICE, SIGNAL PROCESSING DEVICE, SIGNAL PROCESSING METHOD, AND SIGNAL PROCESSING PROGRAM Non-Final OA FURUKAWA ELECTRIC CO., LTD.
18076218 CATHETER SYSTEM HAVING A LOCKING CAP Final Rejection Becton, Dickinson and Company
17969903 Low Dead Volume Adaptor for a Syringe Non-Final OA Becton, Dickinson and Company
17915310 Injector Device Final Rejection Sanofi
17783085 Medical Device Comprising an Alarm Generator Taking Into Account Environmental Signals Final Rejection Sanofi
17501148 VENOUS ACCESS CATHETERS AND METHODS FOR PORTAL VENOUS SYSTEM CATHETERIZATION Non-Final OA THE REGENTS OF THE UNIVERSITY OF COLORADO, A BODY CORPORATE
17317717 VENOUS ACCESS CATHETERS AND METHODS FOR PORTAL VENOUS SYSTEM CATHETERIZATION Non-Final OA THE REGENTS OF THE UNIVERSITY OF COLORADO, A BODY CORPORATE
17317676 VENOUS ACCESS CATHETERS AND METHODS FOR PORTAL VENOUS SYSTEM CATHETERIZATION Non-Final OA THE REGENTS OF THE UNIVERSITY OF COLORADO, A BODY CORPORATE
18008173 MEDICAL PRESSURE GAUGE Non-Final OA B. Braun Melsungen AG
17763692 DRUG PRODUCT CONTAINER AND DRUG DELIVERY SYSTEM Final Rejection AMGEN INC.
17621135 Wireless Communication Enabled Drug Delivery Device and Method Non-Final OA AMGEN INC.
17617007 UNILATERALLY DRIVEN DRUG INFUSION DEVICE WITH MULTIPLE INFUSION MODES Final Rejection MEDTRUM TECHNOLOGIES INC.

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