Prosecution Insights
Last updated: October 02, 2026

Examiner: LIMBAUGH, KATHRYN ELIZABETH

Tech Center 1700 • Art Units: 1797

This examiner grants 76% of resolved cases

Analysis

Kathryn Elizabeth Limbaugh is an examiner in Art Unit 1797 within Tech Center 1700. The examiner has 196 resolved cases with an allowance rate of 76.0 percent. This rate suggests a positive environment for patent applicants. The interview lift is 31.5 percent, which is a substantial increase and indicates that interviews are a very effective tool for moving an application toward a grant.

The median days to allowance is 1104. This 1104 day timeline is a key metric for practitioners to use when planning their prosecution strategy in Tech Center 1700. With 196 resolved cases, the 76.0 percent allowance rate and 31.5 percent interview lift provide a solid foundation for understanding the examiner's tendencies and the value of direct engagement.

In Art Unit 1797, the 31.5 percent interview lift stands out as a primary tactical option. While the 76.0 percent allowance rate is already favorable, an interview can significantly boost the chances of success. Practitioners should use the 1104 day median to set client expectations and should prioritize interviews to navigate the prosecution process more effectively and secure a patent grant.

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

Performance Statistics

76.0%
Allow Rate
+11.0% vs TC avg
212
Total Applications
+31.5%
Interview Lift
1104
Avg Prosecution Days
Based on 196 resolved cases, 2023–2026

Rejection Statute Breakdown

6.6%
§101 Eligibility
21.3%
§102 Novelty
41.3%
§103 Obviousness
26.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18580133 SAMPLE CONVEYING DEVICE AND SAMPLE CONVEYING METHOD Non-Final OA HITACHI HIGH-TECH CORPORATION
18467439 ACCURACY MANAGEMENT METHOD, HOLDING TOOL, AND MEASUREMENT DEVICE Final Rejection ARKRAY, Inc.
18508448 VAGINAL LIPID PROFILES PREDICTIVE OF SUCCESSFUL OR UNSUCCESSFUL PREGNANCY IN A BOVINE SURROGATE DAM FOLLOWING EMBRYO TRANSFER Non-Final OA VYTELLE 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