Last updated: July 17, 2026

Application No. 18/566,007

POWDER INHALATION DEVICE WITH PROPELLANT

Non-Final OA

Filed

Nov 30, 2023

Priority

Dec 30, 2021 — RE 10-2021-0193021 +1 more

Examiner

HOWELL, GWYNNETH LINNEA

Art Unit

Tech Center

Assignee

KT&G Corporation

OA Round

1 (Non-Final)

This examiner grants 43% of cases after interview

— +80.1% interview lift. A telephonic interview to clarify the technical implementation could significantly improve the outcome.

Based on 67 resolved cases, 2023–2026

Examiner Intelligence

HOWELL, GWYNNETH LINNEA View full profile →

Grants 43% of resolved cases

Career Allowance Rate

29 granted / 67 resolved

-16.7% vs TC avg

Strong +80% interview lift

Without

With

+80.1%

Interview Lift

resolved cases with interview

Typical timeline

3y 9m

Avg Prosecution

35 currently pending

Career history

Total Applications

across all art units

Statute-Specific Performance

§101

0.8%

-39.2% vs TC avg

§103

82.4%

+42.4% vs TC avg

§102

12.1%

-27.9% vs TC avg

§112

3.4%

-36.6% vs TC avg

Black line = Tech Center average estimate • Based on career data from 67 resolved cases

Prosecution Timeline

Nov 30, 2023

Application Filed

May 05, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

18/519,158

Patent 12678578

METHODS AND SYSTEMS FOR AUTOMATED DETECTION OF WATER ACCUMULATION ON VENTILATOR AIRWAY CIRCUITS FROM AIRWAY PRESSURE AND FLOW

2y 7m to grant Granted Jul 14, 2026

17/614,895

Patent 12667688

HEAT AND MOISTURE EXCHANGER FOR PATIENT INTERFACE

4y 7m to grant Granted Jun 30, 2026

17/701,384

Patent 12636525

FACE MASK

4y 2m to grant Granted May 26, 2026

17/732,921

Patent 12636215

WEARABLE SUIT

4y 0m to grant Granted May 26, 2026

17/796,290

Patent 12616638

Gas circuit control system of pneumatic cardiopulmonary resuscitation pressing device

3y 9m to grant Granted May 05, 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

43%

Grant Probability

99%

With Interview (+80.1%)

3y 9m (~1y 2m remaining)

Median Time to Grant

Low

PTA Risk

Based on 67 resolved cases by this examiner. Grant probability derived from career allowance rate.