Last updated: July 17, 2026

Application No. 18/767,471

POLARIZED PHOTOPLETHYSMOGRAPHY (PPG) WITH IMPROVED PERFUSION SIGNAL FOR ADVANCED BIOSENSING

Non-Final OA

Filed

Jul 09, 2024

Priority

Aug 23, 2022 — provisional 63/400,213 +4 more

Examiner

HOFFPAUIR, ANDREW ELI

Art Unit

3791

Tech Center

3700 — Mechanical Engineering & Manufacturing

Assignee

Samsung Electronics Co., Ltd.

OA Round

1 (Non-Final)

This examiner grants 42% of cases after interview

— +51.4% interview lift. A telephonic interview to clarify the technical implementation could significantly improve the outcome.

Based on 89 resolved cases, 2023–2026

Examiner Intelligence

HOFFPAUIR, ANDREW ELI View full profile →

Grants 42% of resolved cases

Career Allowance Rate

37 granted / 89 resolved

-28.4% vs TC avg

Strong +51% interview lift

Without

With

+51.4%

Interview Lift

resolved cases with interview

Typical timeline

3y 10m

Avg Prosecution

44 currently pending

Career history

142

Total Applications

across all art units

Statute-Specific Performance

§101

11.0%

-29.0% vs TC avg

§103

84.1%

+44.1% vs TC avg

§102

0.3%

-39.7% vs TC avg

§112

4.5%

-35.5% vs TC avg

Black line = Tech Center average estimate • Based on career data from 89 resolved cases

Prosecution Timeline

Jul 09, 2024

Application Filed

Jul 24, 2024

Response after Non-Final Action

May 27, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

17/965,159

Patent 12678062

DISPLAY DEVICE AND BLOOD PRESSURE MEASUREMENT METHOD USING THE SAME

3y 9m to grant Granted Jul 14, 2026

18/124,616

Patent 12648706

STEERABLE AND ADJUSTABLE RECORDER PULSE PILLOW FOR TRADITIONAL CHINESE MEDICINE PULSE DIAGNOSIS

3y 2m to grant Granted Jun 09, 2026

17/385,046

Patent 12593987

FOREHEAD TEMPERATURE MEASUREMENT SYSTEM WITH HIGH ACCURACY

4y 8m to grant Granted Apr 07, 2026

17/595,234

Patent 12564423

SYSTEMS AND METHODS FOR ACCESSING A RENAL CAPSULE FOR DIAGNOSTIC AND THERAPEUTIC PURPOSES

4y 3m to grant Granted Mar 03, 2026

18/679,796

Patent 12533043

DEVICE FOR PROCESSING AND VISUALIZING DATA OF AN ELECTRIC IMPEDANCE TOMOGRAPHY APPARATUS FOR DETERMINING AND VISUALIZING REGIONAL VENTILATION DELAYS IN THE LUNGS

1y 8m to grant Granted Jan 27, 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.

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

Prosecution Projections

1-2

Expected OA Rounds

42%

Grant Probability

93%

With Interview (+51.4%)

3y 10m (~1y 10m remaining)

Median Time to Grant

Low

PTA Risk

Based on 89 resolved cases by this examiner. Grant probability derived from career allowance rate.