Prosecution Insights
Last updated: October 27, 2026

Lei Nmn Gonzalez, USPTO Patent Examiner

Listed by the USPTO as GONZALEZ, LEI NMN

Tech Center 3700 • Art Units: 3783

This examiner grants 43% of resolved cases

Analysis

GONZALEZ, LEI NMN is assigned to tech center 3700 and art unit 3783. The profile contains 21 resolved cases, with a 42.9% allowance rate and a median of 1449 days to allowance. The limited case base means practitioners should use these figures as directional information when assessing potential prosecution paths.

The interview lift is 51.8%, associating interviews with a substantially better allowance outcome in the available record. Counsel may consider early interviews supported by concrete claim proposals and technical explanations. The listed companies are Becton, Dickinson and Company, Cardinal Health Inc., and Insulet Corporation. The leading firms are Goodwin Procter LLP, Maschoff Brennan (OC)(BD), and Bond, Schoeneck & King, PLLC - SANOFI.

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

Performance Statistics

42.9%
Allow Rate
-27.1% vs TC avg
75
Total Applications
+51.8%
Interview Lift
1449
Avg Prosecution Days
Based on 21 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
26.4%
§102 Novelty
50.5%
§103 Obviousness
22.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17716675 Catheter Placement System with Splittable Anchor Final Rejection Bard Access Systems, Inc.
18157569 HYBRID TRANSSEPTAL DILATOR AND METHODS OF USING THE SAME Non-Final OA Boston Scientific Medical Device Limited
18020386 INGESTIBLE DRUG DELIVERY DEVICE Non-Final OA Novo Nordisk A/S
18209120 INFUSION PUMP Final Rejection TERUMO KABUSHIKI KAISHA
18530918 NEEDLE-FREE CONNECTORS Non-Final OA CareFusion 303, Inc.
18353606 FLOW RESTRICTION ADAPTER FOR RESTRICTING HEMOLYSIS Non-Final OA CareFusion 303, Inc.
17982489 INTRAVENOUS SET CORKSCREW HAND PUMP Non-Final OA CareFusion 303, Inc.
18055895 AUTO-INJECTOR AND RELATED METHODS OF USE Non-Final OA Regeneron Pharmaceuticals, Inc.
18037139 FORMULATIONS, METHODS, AND PRE-FILLED INJECTION DEVICES WITHOUT FATTY ACID PARTICLES Non-Final OA W. L. Gore & Associates, Inc.
17945585 BIOACTIVE RELEASING MEMBRANE FOR ANALYTE SENSOR Non-Final OA DexCom, Inc.
18203127 Container Closure with Reverse Coefficient of Thermal Expansion Materials Final Rejection Becton, Dickinson and Company
17967323 Self-Calibration for Pump Operation of Medical Injector Non-Final OA Becton, Dickinson and Company
17901034 Instrument Delivery Device with Linearly Compressible Housing Final Rejection Becton, Dickinson and Company
17808427 USER REMOVABLE FILL CLOSURE TAB WITH INTEGRATED MEMBRANE Non-Final OA Becton, Dickinson and Company
17597815 Improved Flow Channel for Flow Rate Measurement Non-Final OA Becton, Dickinson and Company
18454323 SYSTEM AND METHOD FOR ADJUSTING INSULIN DELIVERY TO ACCOUNT FOR INSULIN RESISTANCE Final Rejection INSULET CORPORATION
18306041 COMPRESSION DETECTION AND COMPENSATION FOR A BIOLOGICAL SENSOR SECURED TO A USER Final Rejection Insulet Corporation
17921276 Supplemental Device for an Injection Device Final Rejection Sanofi
18703140 AN INFUSION SUBASSEMBLY AND AN INFUSION ASSEMBLY Non-Final OA SHL Medical AG
18575771 Optimized Port Stem Geometry Non-Final OA Bard Peripheral Vascular, Inc.
18235113 DECOMPRESSION NEEDLE ASSEMBLY Non-Final OA North American Rescue, LLC

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Frequently Asked Questions

What is examiner Lei Nmn Gonzalez's allowance rate?

42.9% of resolved applications examined by Lei Nmn Gonzalez were allowed (21 resolved cases), compared with 67.3% across Art Unit 3783 over the last five years.

Does an interview help with examiner Lei Nmn Gonzalez?

This examiner's interview lift is +51.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Lei Nmn Gonzalez take to allow a patent?

Applications allowed by Lei Nmn Gonzalez took 1,449 days on average from filing to allowance.

Which art unit does examiner Lei Nmn Gonzalez work in?

Lei Nmn Gonzalez examines applications in Art Unit 3783 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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