Prosecution Insights
Last updated: August 18, 2026

Examiner: HOLWERDA, KATHLEEN SONNETT

Tech Center 4100 • Art Units: 3731 3771 4100

This examiner grants 69% of resolved cases

Performance Statistics

68.6%
Allow Rate
+8.6% vs TC avg
1,014
Total Applications
+17.6%
Interview Lift
1368
Avg Prosecution Days
Based on 963 resolved cases, 2023–2026

Rejection Statute Breakdown

0.6%
§101 Eligibility
21.7%
§102 Novelty
46.5%
§103 Obviousness
22.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18213223 Thrombectomy Apparatuses Final Rejection Boston Scientific Scimed, Inc.
18107182 METHODS OF TREATING VASCULAR LESIONS Final Rejection BOSTON SCIENTIFIC SCIMED, INC.
18431809 CLIP AND METHOD FOR CLOSING LEFT ATRIAL APPENDAGE Non-Final OA EDWARDS LIFESCIENCES CORPORATION
18179037 TRACTION TOOL, TRACTION SYSTEM, AND TRACTION METHOD AND SUTURING METHOD FOR SUTURE THREAD Final Rejection Olympus Corporation
19190952 FORCEPS INCLUDING A PRE-LOADED HANDLE LATCH Non-Final OA GYRUS ACMI, INC. D/B/A OLYMPUS SURGICAL TECHNOLOGIES AMERICA
18855942 BENDABLE OPTICAL TROCAR ASSEMBLY Non-Final OA MEDTRONIC, INC.
18497510 LOW PROFILE EMBOLIC PROTECTION DEVICE AND SYSTEM Non-Final OA Medtronic, Inc.
18756125 VASCULAR FILTRATION DEVICE Non-Final OA W. L. Gore & Associates, Inc.
17050315 BALLOON CATHETERS, SYSTEMS AND METHODS Non-Final OA W. L. Gore & Associates, Inc.
18702090 VASCULAR OCCLUSION DEVICES AND METHODS FOR OCCLUDING A VESSEL Final Rejection Bard Peripheral Vascular, Inc.
18202346 SURGICAL SYSTEM FOR MANAGING BLOOD FLOW DURING A SURGICAL PROCEDURE Final Rejection Excision Medical, 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