Prosecution Insights
Last updated: October 27, 2026

Michael A Riegelman, USPTO Patent Examiner

Listed by the USPTO as RIEGELMAN, MICHAEL A

Tech Center 3700 • Art Units: 3654 3725

This examiner grants 78% of resolved cases

Analysis

RIEGELMAN, MICHAEL A is a USPTO patent examiner in tech center 3700 and art unit 3654. The profile includes 980 resolved cases, with an allowance rate of 78.3% and a median of 943 days to allowance. The large resolved-case record provides a strong basis for evaluating the recorded prosecution pattern. The allowance rate indicates that allowances are common, while the median interval shows that favorable outcomes still involve a substantial examination timeline.

The interview lift is 14.7%, associating interviews with a meaningful improvement in allowance outcomes. Otis Elevator Company, Pratt & Whitney Canada Corp., and Volvo Group are the listed leading companies. Cantor Colburn LLP - Otis Elevator, FOLEY & LARDNER LLP, and ANDRUS INTELLECTUAL PROPERTY LAW, LLP are the listed leading firms. Practitioners can use interviews as part of a focused response plan and should build the 943-day median into portfolio scheduling.

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

Performance Statistics

78.3%
Allow Rate
+8.3% vs TC avg
1,010
Total Applications
+14.7%
Interview Lift
943
Avg Prosecution Days
Based on 980 resolved cases, 2023–2026

Rejection Statute Breakdown

0.8%
§101 Eligibility
21.8%
§102 Novelty
45.3%
§103 Obviousness
23.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18998685 SERVING ROBOT Non-Final OA LG ELECTRONICS INC.
18949233 MECHANICAL SYSTEM PROVIDED WITH MOVING MECHANICAL ELEMENTS, A MAGNETIC PLUG AND A LUBRICATION SYSTEM PROVIDED WITH MECHANICAL AND MAGNETIC FILTERS Final Rejection AIRBUS HELICOPTERS
19075213 AN OIL COOLING ARRANGEMENT Non-Final OA VOLVO TRUCK CORPORATION
19327089 SCISSOR LIFT WITH MIDDLE PIN OFFSET AND KICKER Non-Final OA Oshkosh Corporation
19014980 POWER SYSTEM AND METHOD OF CONTROLLING POWER SYSTEM Non-Final OA HONDA MOTOR CO., LTD.
19135141 REDUCTION GEAR FOR A POWERTRAIN Non-Final OA VALEO EMBRAYAGES
18720060 GRASPING DEVICE Non-Final OA BRIDGESTONE CORPORATION
18853987 TREATMENT DEVICE LIQUID DELIVERY SYSTEM Final Rejection BASF Corporation
18681601 DRIVING FORCE TRANSMISSION MECHANISM AND METHOD FOR OPERATING DRIVING FORCE TRANSMISSION MECHANISM Non-Final OA JFE STEEL CORPORATION
18940402 REDUCED PARASITIC LUBE SYSTEM Final Rejection Cummins Inc.
19189991 BYPASS VALVE Non-Final OA PRATT & WHITNEY CANADA CORP.
18949285 LUBRICANT SYSTEM Non-Final OA Pratt & Whitney Canada Corp.
18340173 AUTOMATED MULTI-VALVE/POINT LUBE SYSTEM Final Rejection DUALCO, INC.

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 Michael A Riegelman's allowance rate?

78.3% of resolved applications examined by Michael A Riegelman were allowed (980 resolved cases), compared with 68.0% across Art Unit 3654 over the last five years.

Does an interview help with examiner Michael A Riegelman?

This examiner's interview lift is +14.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Michael A Riegelman take to allow a patent?

Applications allowed by Michael A Riegelman took 943 days on average from filing to allowance.

Which art unit does examiner Michael A Riegelman work in?

Michael A Riegelman examines applications in Art Unit 3654 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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