Prosecution Insights
Last updated: October 02, 2026

Examiner: BUTCHER, CAROLINE N

Tech Center 3600 • Art Units: 3612 3676

This examiner grants 81% of resolved cases

Analysis

Caroline N. Butcher works in Tech Center 3600 and Art Unit 3612. She has a high volume of 814 resolved cases. Her allowance rate is 81.3 percent. This 81.3 percent rate indicates the frequency with which applications result in a patent grant under her supervision in Art Unit 3612.

The interview lift for this examiner is 13.2 percent. This 13.2 percent lift shows that interviews provide a positive impact on the likelihood of allowance. Engaging in a discussion can help to quickly resolve any outstanding issues for the 814 resolved cases. Practitioners should consider the 13.2 percent lift as a way to further improve the probability of success.

The median days to allowance is 945. This 945 day figure represents the typical timeframe for an application to reach a successful conclusion. The 945 day median indicates an efficient prosecution process. Applicants can use the 81.3 percent allowance rate and the 945 day median to manage their patent portfolios in Tech Center 3600.

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

Performance Statistics

81.3%
Allow Rate
+29.3% vs TC avg
835
Total Applications
+13.2%
Interview Lift
945
Avg Prosecution Days
Based on 814 resolved cases, 2023–2026

Rejection Statute Breakdown

1.2%
§101 Eligibility
19.3%
§102 Novelty
50.3%
§103 Obviousness
26.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
15303717 CONTROLLING A DOWNHOLE TOOL ON A DOWNHOLE CABLE Non-Final OA Halliburton Energy Services, Inc.
19013181 VEHICLE FRONT PART STRUCTURE Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
18539560 ASSISTING SYSTEM FOR CLOSING A DRIVER'S DOOR IN A VEHICLE Final Rejection Volvo Truck Corporation
18903150 DRIVE SYSTEM PACKAGING FOR SLIDING WINDOW ASSEMBLY Non-Final OA Aisin Corporation
18830883 VEHICLE FRONT STRUCTURE Non-Final OA Kia Corporation
18823146 REAR SIDE STRUCTURE OF CARGO BOX OF VEHICLE Non-Final OA Kia Corporation
18496118 VEHICLE REINFORCING MEMBER Final Rejection Kia Corporation
18971466 CONVERTIBLE TOP HAVING A CONVERTIBLE TOP LINKAGE Non-Final OA Webasto SE
18971473 CONVERTIBLE TOP HAVING COUPLED MULTI-BAR ARRANGEMENTS Non-Final OA Webasto SE
18284810 VEHICLE PANEL STRUCTURE Non-Final OA NIPPON STEEL CORPORATION
18932624 SUBFRAME FOR A MOTOR VEHICLE Non-Final OA BENTELER AUTOMOBILTECHNIK GMBH
18473924 VENT SYSTEM FOR VEHICLE INTERIOR Non-Final OA GM Global Technology Operations LLC

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