Prosecution Insights
Last updated: October 26, 2026

Heaven Richelle Buffington, USPTO Patent Examiner

Listed by the USPTO as BUFFINGTON, HEAVEN RICHELLE

Tech Center 3600 • Art Units: 2838 3615 3617 3647

This examiner grants 83% of resolved cases

Analysis

BUFFINGTON, HEAVEN RICHELLE is assigned to art unit 2838 within tech center 3600. The profile shows 113 resolved cases, an allowance rate of 83.2%, an interview lift of 13.3%, and a median time to allowance of 1259 days. The limited case history warrants caution in generalization, but the allowance result supports careful initial claim development. The interview figure indicates a modest supporting role for direct examiner engagement.

The represented companies are Kia Corporation, Daifuku Co., Ltd., and Taiwan Intelligent Robotics Company Ltd. The leading firms are OLIFF PLC, THE WEBB LAW FIRM, P.C., and Accelerate IP. Counsel can use these names to orient robotics and automotive technology preparation. The median duration supports early planning for continuation activity and commercial schedules.

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

Performance Statistics

83.2%
Allow Rate
+31.2% vs TC avg
142
Total Applications
+13.3%
Interview Lift
1259
Avg Prosecution Days
Based on 113 resolved cases, 2023–2026

Rejection Statute Breakdown

1.9%
§101 Eligibility
22.3%
§102 Novelty
40.7%
§103 Obviousness
31.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17969216 URBAN AIR MOBILITY POWER SUPPLY SYSTEM AND METHOD ACCORDING THERETO Non-Final OA KIA CORPORATION
18980971 Article Transport Facility Non-Final OA Daifuku 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 Heaven Richelle Buffington's allowance rate?

83.2% of resolved applications examined by Heaven Richelle Buffington were allowed (113 resolved cases), compared with 76.3% across Art Unit 2838 over the last five years.

Does an interview help with examiner Heaven Richelle Buffington?

This examiner's interview lift is +13.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Heaven Richelle Buffington take to allow a patent?

Applications allowed by Heaven Richelle Buffington took 1,259 days on average from filing to allowance.

Which art unit does examiner Heaven Richelle Buffington work in?

Heaven Richelle Buffington examines applications in Art Unit 2838 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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