Prosecution Insights
Last updated: October 27, 2026

Catherine T Rastovski, USPTO Patent Examiner

Listed by the USPTO as RASTOVSKI, CATHERINE T

Tech Center 2800 • Art Units: 2857 2862 2863

This examiner grants 67% of resolved cases

Performance Statistics

67.4%
Allow Rate
-0.6% vs TC avg
329
Total Applications
+28.8%
Interview Lift
1257
Avg Prosecution Days
Based on 322 resolved cases, 2023–2026

Rejection Statute Breakdown

29.1%
§101 Eligibility
9.1%
§102 Novelty
31.4%
§103 Obviousness
27.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18063637 IDENTIFYING INFLUENTIAL DISTURBANCES FROM FAILURE OR MALFUNCTION EVENTS Non-Final OA International Business Machines Corporation
18025774 DIAGNOSTIC DEVICE, DIAGNOSTIC METHOD, SEMICONDUCTOR MANUFACTURING EQUIPMENT SYSTEM, AND SEMICONDUCTOR EQUIPMENT MANUFACTURING SYSTEM Final Rejection Hitachi High-Tech Corporation

Facing This Examiner?

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

Build Your Strategy

Who Appears Before This Examiner

Top companies before this examiner

Law firms appearing most often

Frequently Asked Questions

What is examiner Catherine T Rastovski's allowance rate?

67.4% of resolved applications examined by Catherine T Rastovski were allowed (322 resolved cases), compared with 72.0% across Art Unit 2857 over the last five years.

Does an interview help with examiner Catherine T Rastovski?

This examiner's interview lift is +28.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Catherine T Rastovski take to allow a patent?

Applications allowed by Catherine T Rastovski took 1,257 days on average from filing to allowance.

Which art unit does examiner Catherine T Rastovski work in?

Catherine T Rastovski examines applications in Art Unit 2857 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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