Prosecution Insights
Last updated: August 18, 2026

Examiner: RENNER, CRAIG A

Tech Center 2600 • Art Units: 1785 2627 2688 2689

This examiner grants 84% of resolved cases

Performance Statistics

84.3%
Allow Rate
+22.3% vs TC avg
852
Total Applications
+17.6%
Interview Lift
789
Avg Prosecution Days
Based on 832 resolved cases, 2023–2026

Rejection Statute Breakdown

0.6%
§101 Eligibility
30.0%
§102 Novelty
37.6%
§103 Obviousness
25.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19424444 DISK DEVICE WITH WIRING BOARD ON OUTER SURFACE OF HOUSING AND CONNECTED TO MOTOR AND SEALING CONFIGURATION Non-Final OA TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATION
18824283 DISK DEVICE Final Rejection Toshiba Electronic Devices & Storage Corporation
18675648 MAGNETIC DISK DEVICE WITH ENHANCED CONTROL OF WRITE PROCESSING METHOD BASED ON SHIFT IN DYNAMIC DRIFT OFF LEVEL (DDOL) Non-Final OA Toshiba Electronic Devices & Storage Corporation
19373742 HEAD DRIVING DEVICE CONFIGURED TO MOVE A HEAD MEMBER RELATIVE TO TAPE AS A RECORDING MEDIUM AND CONFIGURED TO STABLY HOLD THE HEAD MEMBER Non-Final OA NHK SPRING CO., LTD.
18738440 Novel DFH Bulge by Heat Sink Design Non-Final OA Headway Technologies, Inc.
18122362 Self-Aligned Side Gap Insulator For A Perpendicular Magnetic Recording Writer Final Rejection Headway Technologies, Inc.
19233374 RAMP SUPPORT FOR A MAGNETIC STORAGE DEVICE Non-Final OA Western Digital Technologies, Inc.
18887906 MODULAR ARCHITECTURE FOR HARD DISK DRIVE STORAGE SYSTEM Non-Final OA Western Digital Technologies, Inc.
18397016 Magnetic Heads Having Low Magnetic Coercivity (HC) And High Saturated Magnetic Flux Density (BS) In Ferromagnetic (FM) Layer(s) Or Shield(s) With Minimized Saturation Non-Final OA Western Digital Technologies, Inc.
18500188 DUAL SPINDLE MOTORS AND DUAL SPINDLE MOTOR CONTROL FOR DATA STORAGE Non-Final OA Western Digital Technologies, Inc.
18228835 DISK HUB FOR RETAINING AND ROTATING MAGNETIC RECORDING MEDIA DURING FILM THICKNESS MEASUREMENT Non-Final OA Western Digital Technologies, 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