Last updated: July 17, 2026

Application No. 18/695,725

UNDERDRAIN AND SEPTA FOR MEDIA VESSEL AND METHOD OF CLEANING

Non-Final OA

Filed

Mar 26, 2024

Priority

Oct 08, 2021 — provisional 63/253,863 +2 more

Examiner

DRODGE, JOSEPH W

Art Unit

Tech Center

Assignee

Bl Technologies Inc.

OA Round

1 (Non-Final)

Interview Optional

— +38.3% interview lift. Examiner has a relatively high allowance rate (78%); +38.3% interview lift. A written response may suffice.

Based on 2021 resolved cases, 2023–2026

Examiner Intelligence

DRODGE, JOSEPH W View full profile →

Grants 78% — above average

Career Allowance Rate

1581 granted / 2021 resolved

+18.2% vs TC avg

Strong +38% interview lift

Without

With

+38.3%

Interview Lift

resolved cases with interview

Typical timeline

2y 7m

Avg Prosecution

25 currently pending

Career history

2039

Total Applications

across all art units

Statute-Specific Performance

§101

1.2%

-38.8% vs TC avg

§103

70.0%

+30.0% vs TC avg

§102

2.7%

-37.3% vs TC avg

§112

21.6%

-18.4% vs TC avg

Black line = Tech Center average estimate • Based on career data from 2021 resolved cases

Prosecution Timeline

Mar 26, 2024

Application Filed

May 19, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

18/553,126

Patent 12668505

Filter Cartridge and Water Filter Device

2y 9m to grant Granted Jun 30, 2026

18/033,898

Patent 12654134

SYSTEMS AND METHODS FOR COMPACT, DECENTRALIZED DESALINATION OF FEEDWATER FOR POINT-OF-USE APPLICATIONS

3y 1m to grant Granted Jun 16, 2026

18/273,027

Patent 12655041

METHOD FOR OPERATING REVERSE OSMOSIS MEMBRANE DEVICE, A SLIME CONTROL METHOD, AND A WATER TREATMENT DEVICE

2y 11m to grant Granted Jun 16, 2026

18/286,655

Patent 12654179

Flocculation Cyclone Device, Marine Plastic Removal System Using the Same, Ship Provided with the System, and Operation Method for the Ship

2y 8m to grant Granted Jun 16, 2026

18/550,187

Patent 12655044

ELECTRO-ACTIVATED SUPER OXIDIZED WATER AND METHOD OF SYNTHESIZING THE SAME

2y 9m to grant Granted Jun 16, 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

78%

Grant Probability

99%

With Interview (+38.3%)

2y 7m (~4m remaining)

Median Time to Grant

Low

PTA Risk

Based on 2021 resolved cases by this examiner. Grant probability derived from career allowance rate.