Listed by the USPTO as ZHANG, DUAN
Tech Center 3600 • Art Units: 3685 3697 3699
This examiner grants 61% of resolved cases
ZHANG, DUAN has resolved 188 cases in Tech Center 3600 and Art Unit 3685. The allowance rate is 61.2%, while the interview lift is 18.9%. The median time to allowance is 1097 days. The record shows an allowance rate above half of resolved cases, with interviews producing a smaller reported effect on outcomes.
The company portfolio includes Capital One Services LLC, Nchain Licensing AG, and U.S. Bancorp. The leading firms are Galvani Smith PLLC, BALLARD SPAHR LLP, and Calfee, Halter & Griswold LLP. Practitioners can use these associations to identify counsel and applicants with experience in this examiner's subject area.
| App # | Title | Status | Assignee |
|---|---|---|---|
| 19659838 | COMPUTER-BASED SYSTEMS CONFIGURED TO PROVIDE PRE-STAGED TRANSACTIONS VIA LOCKERS AND METHODS OF USE THEREOF | Non-Final OA | Capital One Services, LLC |
| 18905170 | SYSTEMS AND METHODS FOR DYNAMICALLY GENERATING DIGITAL RIGHTS MANAGEMENT PROTECTIONS | Non-Final OA | Capital One Services, LLC |
| 19405105 | BLOCK PROPAGATION WITH POISONED TRANSACTIONS IN A BLOCKCHAIN NETWORK | Final Rejection | nChain Licensing AG |
| 18573645 | TIERED CONSENSUS | Non-Final OA | nChain Licensing AG |
| 19635665 | SYSTEMS AND METHODS FOR IMPLEMENTING A NODAL DATA STRUCTURE FOR FRAUD DETECTION RING | Final Rejection | U.S. Bank National Association |
| 19424359 | DEVICE AND METHOD FOR MANAGING ACCESS RIGHTS AND AUTHORIZATIONS | Non-Final OA | Commissariat à l'Energie Atomique et aux Energies Alternatives |
| 19418458 | WEB-BASED WALLET AUTHENTICATION | Non-Final OA | Docusign, Inc. |
| 18640197 | SYNTHETIC TABULAR NEURAL GENERATOR | Non-Final OA | The Cleveland Clinic Foundation |
| 19016799 | CARD READER VERIFICATION | Non-Final OA | NCR Corporation |
IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.
Build Your Strategy61.2% of resolved applications examined by Duan Zhang were allowed (188 resolved cases), compared with 40.6% across Art Unit 3685 over the last five years.
This examiner's interview lift is +18.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.
Applications allowed by Duan Zhang took 1,097 days on average from filing to allowance.
Duan Zhang examines applications in Art Unit 3685 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).
