Prosecution Insights
Last updated: October 27, 2026

Peter L Ludwig, USPTO Patent Examiner

Listed by the USPTO as LUDWIG, PETER L

Tech Center 3600 • Art Units: 3627 3687

This examiner grants 35% of resolved cases

Analysis

LUDWIG, PETER L is assigned to tech center 3600 and art unit 3627. The profile includes 560 resolved cases and a 35.2% allowance rate. The median time to allowance is 1328 days. Interviews are associated with a 22.5% lift in the allowance outcome.

The data describes an examiner record with a lower allowance rate than many prosecution profiles and a long median path to allowance. The interview measure is material in this record, so counsel may consider interview preparation as part of claim strategy and response planning. The leading companies are The Boeing Company, Nicoventures Trading Limited, and Wells Fargo Bank, N.A.

The leading firms are AMPACC Law Group, PLLC, ARENTFOX SCHIFF LLP, and Baker Botts L.L.P. These recurring participants identify the principal applicant and counsel relationships shown in the available cases.

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

Performance Statistics

35.2%
Allow Rate
-16.8% vs TC avg
624
Total Applications
+22.5%
Interview Lift
1328
Avg Prosecution Days
Based on 560 resolved cases, 2023–2026

Rejection Statute Breakdown

24.1%
§101 Eligibility
12.6%
§102 Novelty
37.2%
§103 Obviousness
25.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18723441 AEROSOL PROVISION DEVICE Non-Final OA Nicoventures Trading Limited
18906048 SYSTEMS AND METHODS FOR PRIORITIZING FRAUD CASES USING ARTIFICIAL INTELLIGENCE Final Rejection Wells Fargo Bank, N.A.
19186384 USING MACHINE LEARNING ALGORITHMS TO PREDICT TRANSACTIONS THAT MATCH EACH OTHER USING PATTERNS FROM MATCHING FEEDBACK Final Rejection Oracle International Corporation
18547161 INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING METHOD, AND RECORDING MEDIUM Non-Final OA Sony Semiconductor Solutions Corporation
17772405 MODEL TRAINING METHOD, SIGNAL RECOGNITION METHOD, APPARATUS, COMPUTING AND PROCESSING DEVICE, COMPUTER PROGRAM, AND COMPUTER-READABLE MEDIUM Final Rejection BOE Technology Group Co., Ltd.
18072218 Imaging Systems and Methods for Monitoring Items in Predetermined Areas Final Rejection ZEBRA TECHNOLOGIES CORPORATION
18062570 STANDARDIZED ASSET LOCATION TRACKING Final Rejection The Boeing Company
19279153 System and Method Suitable for Coordinating and Controlling the Movement of Trailers by a Fleet of Vehicles within a Logistics Environment Non-Final OA Mitsubishi Electric Research Laboratories, Inc.
18447671 QUANTUM LOGIC GATE OPERATION DEVICE, QUANTUM LOGIC GATE OPERATION METHOD AND A NON-TRANSITORY COMPUTER-READABLE MEDIUM Non-Final OA RIKEN
18308012 IDENTIFYING SHORTAGE ITEMS FROM A RETAIL ENVIRONMENT IN ONLINE MARKETPLACES Final Rejection TARGET BRANDS, INC.
18282252 ADAPTIVE TUNING OF PHYSICS-BASED DIGITAL TWINS Non-Final OA Siemens Aktiengesellschaft
18722572 INBOUND CHEMICAL PRODUCT WITH ENVIRONMENTAL ATTRIBUTES Non-Final OA BASF SE
18584116 AUTOMATIC ORDERING OF CONSUMABLE ITEMS Final Rejection eBay Inc.
19050218 ALGORITHM TO IDENTIFY UNRESOLVED REPORTING ISSUES Final Rejection Truist Bank
18448375 CONFIGURABLE PRODUCT RETURN DETERMINATION USING COMPUTATIONAL MODELING Non-Final OA International Business Machines Corporation
18212629 SYNTHETIC DATASET GENERATOR Final Rejection NVIDIA Corporation
18512229 METHOD AND SYSTEM FOR AN AUTOMATED RESTAURANT EXPERIENCE ASSISTANCE FOR A VEHICLE Final Rejection Ford Global Technologies, LLC
18563603 TICKET PROCESSING Non-Final OA Alipay (Hangzhou) Information Technology Co., Ltd.
18315876 USER INTERFACE-BASED STORAGE MANAGEMENT Final Rejection SAP SE
18900281 UPDATING MENUS BASED ON PREDICTED EFFICIENCIES Final Rejection Block, Inc.
19019879 SYSTEM AND METHOD FOR GROUP PAYMENTS Non-Final OA PAYPAL, INC.
18332240 SYSTEMS AND METHODS FOR RECORDING TRANSACTION AND PRODUCT CUSTOMIZATION INFORMATION Final Rejection Lowe's Companies, Inc.
17983042 INTELLIGENT ITEM MANAGEMENT IN AN INFORMATION PROCESSING SYSTEM Non-Final OA Dell Products L.P.
18723634 CARTRIDGE AND AEROSOL GENERATING DEVICE INCLUDING THE SAME Non-Final OA KT&G CORPORATION
18547396 APPARATUS, SYSTEM, AND METHOD OF PROVIDING AUTO-REPLENISHMENT FOR A BULK CONSUMABLES CONTAINER Final Rejection NYPRO INC.
17689949 SENSOR BASED ITEM LEVEL DETERMINATION AND COMMUNICATION Final Rejection YPOINT CAPITAL, INC.

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Frequently Asked Questions

What is examiner Peter L Ludwig's allowance rate?

35.2% of resolved applications examined by Peter L Ludwig were allowed (560 resolved cases), compared with 49.9% across Art Unit 3627 over the last five years.

Does an interview help with examiner Peter L Ludwig?

This examiner's interview lift is +22.5 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Peter L Ludwig take to allow a patent?

Applications allowed by Peter L Ludwig took 1,328 days on average from filing to allowance.

Which art unit does examiner Peter L Ludwig work in?

Peter L Ludwig examines applications in Art Unit 3627 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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