Prosecution Insights
Last updated: October 27, 2026

Sara Chandler Hamilton, USPTO Patent Examiner

Listed by the USPTO as HAMILTON, SARA CHANDLER

Tech Center 3600 • Art Units: 3691 3692 3693 3695 3697

This examiner grants 64% of resolved cases

Analysis

HAMILTON, SARA CHANDLER has resolved 511 cases in Tech Center 3600 and Art Unit 3691. The allowance rate is 64.0%, and the median time to allowance is 1389 days. These figures describe a substantial prosecution record with an examination timeline that should be incorporated into filing and portfolio decisions.

The interview lift is 52.8%, indicating that interviews have a meaningful measured association with allowance in this docket. Applicants may therefore benefit from preparing focused technical and claim presentations before responding to difficult issues. The listed companies are Block Inc., S1Lk Pay Ltd., and U.S. Bancorp. The principal firms are Dinsmore & Shohl LLP, Gowling WLG (Canada) LLP, and Heidi Brun Associates Ltd.

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

Performance Statistics

64.0%
Allow Rate
+12.0% vs TC avg
549
Total Applications
+52.8%
Interview Lift
1389
Avg Prosecution Days
Based on 511 resolved cases, 2023–2026

Rejection Statute Breakdown

31.8%
§101 Eligibility
9.4%
§102 Novelty
26.9%
§103 Obviousness
25.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18799689 PROFILE BASED ARRANGEMENTS AND METHODS FOR DISPARATE NETWORK SYSTEMS Final Rejection U.S. Bank National Association
18401687 SYSTEMS AND METHODS FOR REAL TIME CREDIT EXTENSION AND BILL PAY CONFIGURATION Final Rejection Wells Fargo Bank, N.A.
18481138 PORTFOLIO GENERATION BASED ON MISSING ASSET Non-Final OA The Toronto-Dominion Bank
19286430 BANKING AT AN ATM USING A MOBILE DEVICE Non-Final OA Bank of America Corporation
18124434 INSURANCE FOR METAVERSE ITEMS Non-Final OA STATE FARM MUTUAL AUTOMOBILE INSURANCE COMPANY
19079776 GROUP FUNCTIONALITY ENABLEMENT Final Rejection Block, Inc.
18486617 METHODS AND SYSTEMS FOR INTENT-BASED ATTRIBUTION SCHEDULE Final Rejection Block, Inc.
18405400 METHOD AND APPARATUS OF ANALYZING SOCIAL NETWORK DATA TO IDENTIFY A FINANCIAL MARKET TREND Non-Final OA YAHOO ASSETS LLC
19199707 SYSTEM AND METHOD FOR FACILITATING ELECTRONIC FINANCIAL TRANSACTIONS DURING A COMMUNICATION SESSION Non-Final OA PayPal, Inc.
17822964 Recommendation of Insurance Products Based on an Inventory Analysis Non-Final OA Allstate Insurance Company
19068820 DEVICES, METHODS, COMPUTER-READABLE MEDIA, AND SYSTEMS WITH AUTHORIZED FRAUD DETECTION Non-Final OA MASTERCARD TECHNOLOGIES CANADA ULC
19005830 USER INTERFACES OF A MOBILE APPLICATION FOR A CUSTODIAL TOKEN PLATFORM Final Rejection Coinbase, Inc.

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Frequently Asked Questions

What is examiner Sara Chandler Hamilton's allowance rate?

64.0% of resolved applications examined by Sara Chandler Hamilton were allowed (511 resolved cases), compared with 39.0% across Art Unit 3691 over the last five years.

Does an interview help with examiner Sara Chandler Hamilton?

This examiner's interview lift is +52.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Sara Chandler Hamilton take to allow a patent?

Applications allowed by Sara Chandler Hamilton took 1,389 days on average from filing to allowance.

Which art unit does examiner Sara Chandler Hamilton work in?

Sara Chandler Hamilton examines applications in Art Unit 3691 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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