Last updated: July 17, 2026

Application No. 18/857,679

BIOCHEMICAL SENSING FOR HEART FAILURE MANAGEMENT

Non-Final OA

Filed

Oct 17, 2024

Priority

Apr 22, 2022 — provisional 63/363,456 +1 more

Examiner

WALKER, OLIVIA

Art Unit

Tech Center

Assignee

Medtronic Inc.

OA Round

1 (Non-Final)

Interview Optional

— +77.8% interview lift. Interview already conducted in this application's prosecution history. This examiner has a 30% grant rate with +77.8% interview lift. Since an interview has already been tried, recommend written response with narrowed claims based on precedent claim evolution patterns.

Based on 10 resolved cases, 2023–2026

Examiner Intelligence

WALKER, OLIVIA View full profile →

Grants only 30% of cases

Career Allowance Rate

3 granted / 10 resolved

-30.0% vs TC avg

Strong +78% interview lift

Without

With

+77.8%

Interview Lift

resolved cases with interview

Typical timeline

2y 11m

Avg Prosecution

33 currently pending

Career history

Total Applications

across all art units

Statute-Specific Performance

§103

95.8%

+55.8% vs TC avg

§102

1.4%

-38.6% vs TC avg

§112

2.8%

-37.2% vs TC avg

Black line = Tech Center average estimate • Based on career data from 10 resolved cases

Prosecution Timeline

Oct 17, 2024

Application Filed

May 22, 2026

Non-Final Rejection mailed

Jun 19, 2026

Interview Requested

Jul 06, 2026

Examiner Interview Summary

Precedent Cases

Applications granted by this same examiner with similar technology

18/544,390

Patent 12648822

FORCE TACTILE FEEDBACK DEVICE AT MASTER END OF ROBOT ASSISTED SYSTEM FOR VASCULAR INTERVENTIONAL SURGERY

2y 5m to grant Granted Jun 09, 2026

Study what changed to get past this examiner. Based on 1 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

30%

Grant Probability

99%

With Interview (+77.8%)

2y 11m (~1y 2m remaining)

Median Time to Grant

Low

PTA Risk

Based on 10 resolved cases by this examiner. Grant probability derived from career allowance rate.