Prosecution Insights
Last updated: October 02, 2026

Examiner: CASLER, BRIAN L

Tech Center 3700 • Art Units: 3700 3737 3791 3799

This examiner grants 79% of resolved cases

Analysis

Brian L Casler has resolved 52 cases in Art Unit 3700 of Tech Center 3700. He maintains an allowance rate of 78.8%, indicating a generally favorable environment for applicants. This 78.8% rate suggests that a high portion of applications reach a successful conclusion. The 52 resolved cases provide an initial indicator of the examiner's receptiveness to patentable subject matter.

The interview lift of 22.2% is a significant factor in prosecution strategy. This figure represents the increase in the likelihood of allowance following an interview compared to the baseline allowance rate of 78.8%. This 22.2% lift suggests that direct verbal communication is a highly effective tool for resolving outstanding issues. Practitioners should consider scheduling an interview to further improve the probability of securing a grant.

The median time to allowance is 1313 days. This 1313-day figure provides a specific timeline for practitioners to consider when planning their prosecution strategy. Understanding both the 78.8% allowance rate and the 1313-day median helps in managing expectations regarding the duration of the process. These metrics together offer a clear picture of the prosecution environment in Art Unit 3700.

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

Performance Statistics

78.8%
Allow Rate
+8.8% vs TC avg
79
Total Applications
+22.2%
Interview Lift
1313
Avg Prosecution Days
Based on 52 resolved cases, 2023–2026

Rejection Statute Breakdown

9.0%
§101 Eligibility
25.2%
§102 Novelty
40.7%
§103 Obviousness
20.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18526514 Respiratory Measurement System Non-Final OA Apple Inc.
18391765 BIOLOGICAL INFORMATION MEASUREMENT DEVICE, BIOLOGICAL INFORMATION MEASUREMENT METHOD, AND BIOLOGICAL INFORMATION MEASUREMENT SYSTEM Non-Final OA SEIKO EPSON CORPORATION
18172933 ELECTRONIC PUMP ASSEMBLY AND PRESSURE CONTROL FOR AN IMPLANTABLE DEVICE Final Rejection Boston Scientific Scimed, Inc.
18068108 ELECTRONIC IMPLANTABLE PENILE PROSTHESIS WITH PRESSURE REGULATION AND OTHER FUNCTIONS Non-Final OA Boston Scientific Scimed, Inc.
18068127 IMPLANTABLE INFLATABLE DEVICE Non-Final OA Boston Scientific Scimed, Inc.
17655952 FLUID CONTROL SYSTEM FOR AN IMPLANTABLE INFLATABLE DEVICE Final Rejection Boston Scientific Scimed, Inc.
17655937 PUMP ASSEMBLY FOR AN IMPLANTABLE INFLATABLE DEVICE Non-Final OA Boston Scientific Scimed, Inc.
17653225 INFLATABLE MEDICAL IMPLANT HAVING A PRESSURE CALIBRATION SYSTEM Non-Final OA Boston Scientific Scimed, Inc.
18760670 DISPOSABLE FURLOW INSERTION DEVICE WITH COLLAPSIBLE PUSHER Non-Final OA Boston Scientific Medical Device Limited
18542354 System and Method for Carbon Particle Therapy for Treatment of Cardiac Arrhythmias and Other Diseases Non-Final OA Mayo Foundation for Medical Education and Research
18233039 USE OF FIELDS BOUNDING BOX TO REDUCE DOSE CALCULATION COMPUTATIONAL EFFORT Final Rejection Siemens Healthineers International AG
18396386 SURFACE BRACHYTHERAPY DEVICE, APPLICATOR, AND METHODS THEREFOR Non-Final OA THE REGENTS OF THE UNIVERSITY OF COLORADO, A BODY CORPORATE
18524823 IN-VIVO VISUALIZATION DEVICE Final Rejection NATIONAL UNIVERSITY CORPORATION CHIBA UNIVERSITY
18638197 TRANSCRANIAL MAGNETIC STIMULATION USING ROTATING FIELD VECTORS Non-Final OA Wave Neuroscience, Inc.
18638206 REMOTE DRIVE TECHNIQUES FOR MAGNETIC FIELD THERAPY Non-Final OA Wave Neuroscience, Inc.
18441692 APPARATUS AND METHOD FOR WEARABLE ELECTRON PARAMAGNETIC RESONANCE IMAGING AND MAGNETICALLY-ENABLED THERAPY Non-Final OA Weinberg Medical Physics, Inc.

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month