Prosecution Insights
Last updated: October 27, 2026

Teresa A Guthrie, USPTO Patent Examiner

Listed by the USPTO as GUTHRIE, TERESA A

Tech Center 4100 • Art Units: 3725 4100

This examiner grants 67% of resolved cases

Analysis

Teresa A Guthrie, in Tech Center 4100 and Art Unit 3725, has 179 resolved cases. The allowance rate pct is 67.0%, and the median days to allowance is 1035. This examiner has a solid allowance rate pct of 67.0% across 179 resolved cases.

The interview lift pct of 36.2% is a meaningful increase for applicants seeking to improve their odds. MILWAUKEE ELECTRIC TOOL Corporation, LG Energy Solution Ltd., and Nhk Spring Co., Ltd. are the top companies. BANNER & WITCOFF, LTD, GREENBLUM & BERNSTEIN, P.L.C., and IP GROUP OF DLA PIPER LLP (US) are the leading firms. The 1035 median days to allowance and 36.2% interview lift pct are key metrics for managing prosecution in Art Unit 3725.

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

Performance Statistics

67.0%
Allow Rate
+7.0% vs TC avg
206
Total Applications
+36.2%
Interview Lift
1035
Avg Prosecution Days
Based on 179 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
20.7%
§102 Novelty
42.2%
§103 Obviousness
35.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18105434 CONDUIT BENDER Final Rejection MILWAUKEE ELECTRIC TOOL CORPORATION
18818789 Pouch-Shaped Case Forming Apparatus and Method of Manufacturing Pouch-Shaped Case Using the Same Non-Final OA LG Energy Solution, Ltd.
18761666 METHOD OF MANUFACTURING PIPE Final Rejection FUTABA INDUSTRIAL CO., LTD.

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 Teresa A Guthrie's allowance rate?

67.0% of resolved applications examined by Teresa A Guthrie were allowed (179 resolved cases), compared with 56.5% across Art Unit 3725 over the last five years.

Does an interview help with examiner Teresa A Guthrie?

This examiner's interview lift is +36.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Teresa A Guthrie take to allow a patent?

Applications allowed by Teresa A Guthrie took 1,035 days on average from filing to allowance.

Which art unit does examiner Teresa A Guthrie work in?

Teresa A Guthrie examines applications in Art Unit 3725 in Tech Center 4100.

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