Last updated: July 17, 2026

Application No. 19/267,403

DISTRIBUTED ELECTRONIC LEDGER WITH METADATA

Non-Final OA

Filed

Jul 11, 2025

Priority

Oct 05, 2016 — continuation of 11/651,359 +1 more

Examiner

SHERR, MARIA CRISTI OWEN

Art Unit

3697

Tech Center

3600 — Transportation & Electronic Commerce

Assignee

The Toronto-dominion Bank

OA Round

1 (Non-Final)

Interview Optional

— +13.9% interview lift. Interview lift (+13.9%) is below the 15.0% threshold. A written response is recommended.

Based on 404 resolved cases, 2023–2026

Examiner Intelligence

SHERR, MARIA CRISTI OWEN View full profile →

Grants only 26% of cases

Career Allowance Rate

107 granted / 404 resolved

-25.5% vs TC avg

Moderate +14% lift

Without

With

+13.9%

Interview Lift

resolved cases with interview

Typical timeline

6y 0m

Avg Prosecution

27 currently pending

Career history

439

Total Applications

across all art units

Statute-Specific Performance

§101

2.0%

-38.0% vs TC avg

§103

90.9%

+50.9% vs TC avg

§102

4.2%

-35.8% vs TC avg

§112

2.6%

-37.4% vs TC avg

Black line = Tech Center average estimate • Based on career data from 404 resolved cases

Prosecution Timeline

Jul 11, 2025

Application Filed

Mar 23, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

17/703,444

Patent 12632911

OFF-CHAIN ABSTRACTION MECHANISM FOR DISTRIBUTING NON-FUNGIBLE TOKENS IN AN EDUCATIONAL ENVIRONMENT

4y 1m to grant Granted May 19, 2026

18/397,350

Patent 12619965

COMBINED SHUTTER AND USER INTERFACE PIN ENTRY

2y 4m to grant Granted May 05, 2026

16/644,488

Patent 12511641

SELECTION OF DIGITAL PROPERTIES FOR TRANSACTIONS

5y 10m to grant Granted Dec 30, 2025

17/580,583

Patent 12475452

Automated Transactions Across Multiple Blockchains with Cryptocurrency Swaps

3y 10m to grant Granted Nov 18, 2025

17/626,358

Patent 12456116

SYSTEM AND METHOD UTILIZING CHAIN OF TRUST

3y 9m to grant Granted Oct 28, 2025

Study what changed to get past this examiner. Based on 5 most recent grants.

Strategy Recommendation AI-generated — please review before filing

Get a prosecution strategy drawn from examiner precedents, rejection analysis, and claim mapping.

Typically takes 5-10 seconds — AI-generated, attorney review required before filing

Prosecution Projections

1-2

Expected OA Rounds

26%

Grant Probability

40%

With Interview (+13.9%)

6y 0m (~5y 0m remaining)

Median Time to Grant

Low

PTA Risk

Based on 404 resolved cases by this examiner. Grant probability derived from career allowance rate.