Last updated: July 17, 2026

Application No. 19/008,936

MECHANICALLY EXPANDABLE HEART VALVE

Non-Final OA

Filed

Jan 03, 2025

Priority

Jun 05, 2017 — provisional 62/515,437 +4 more

Examiner

NGUYEN, TUAN VAN

Art Unit

3771

Tech Center

3700 — Mechanical Engineering & Manufacturing

Assignee

Edwards Lifesciences Corporation

OA Round

1 (Non-Final)

Interview Optional

— +19.3% interview lift. Examiner has a relatively high allowance rate (82%); +19.3% interview lift. A written response may suffice.

Based on 1255 resolved cases, 2023–2026

Examiner Intelligence

NGUYEN, TUAN VAN View full profile →

Grants 82% — above average

Career Allowance Rate

1026 granted / 1255 resolved

+11.8% vs TC avg

Strong +19% interview lift

Without

With

+19.3%

Interview Lift

resolved cases with interview

Typical timeline

3y 3m

Avg Prosecution

30 currently pending

Career history

1286

Total Applications

across all art units

Statute-Specific Performance

§101

0.5%

-39.5% vs TC avg

§103

64.9%

+24.9% vs TC avg

§102

10.7%

-29.3% vs TC avg

§112

12.2%

-27.8% vs TC avg

Black line = Tech Center average estimate • Based on career data from 1255 resolved cases

Prosecution Timeline

Jan 03, 2025

Application Filed

May 21, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

18/620,316

Patent 12678188

LOOP DISSECTOR

2y 3m to grant Granted Jul 14, 2026

18/822,319

Patent 12678189

EXCISIONAL DEVICES AND METHODS

1y 10m to grant Granted Jul 14, 2026

18/828,692

Patent 12678155

Suturing System

1y 10m to grant Granted Jul 14, 2026

18/265,992

Patent 12672894

PERFORATION GUARD

3y 1m to grant Granted Jul 07, 2026

18/819,656

Patent 12672863

BRAIDED HEMOSTASIS SHAFT FOR IMPROVED TORSIONAL RESPONSE

1y 10m to grant Granted Jul 07, 2026

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.

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Prosecution Projections

1-2

Expected OA Rounds

82%

Grant Probability

99%

With Interview (+19.3%)

3y 3m (~1y 9m remaining)

Median Time to Grant

Low

PTA Risk

Based on 1255 resolved cases by this examiner. Grant probability derived from career allowance rate.