Last updated: July 17, 2026

Application No. 18/678,467

NON-METALLIC UNBONDED FLEXIBLE RISERS FOR DEEP SEA MINING AND MANUFACTURING METHOD THEREOF

Non-Final OA

Filed

May 30, 2024

Priority

Aug 24, 2023 — CN 202311074049.7

Examiner

ZOLLINGER, NATHAN C

Art Unit

Tech Center

Assignee

Weihai Hongtong Piping Materials Co. Ltd.

OA Round

1 (Non-Final)

Interview Optional

— +40.3% interview lift. Examiner has a relatively high allowance rate (69%); +40.3% interview lift. A written response may suffice.

Based on 873 resolved cases, 2023–2026

Examiner Intelligence

ZOLLINGER, NATHAN C View full profile →

Grants 69% — above average

Career Allowance Rate

606 granted / 873 resolved

+9.4% vs TC avg

Strong +40% interview lift

Without

With

+40.3%

Interview Lift

resolved cases with interview

Typical timeline

2y 10m

Avg Prosecution

19 currently pending

Career history

896

Total Applications

across all art units

Statute-Specific Performance

§101

0.1%

-39.9% vs TC avg

§103

82.9%

+42.9% vs TC avg

§102

9.7%

-30.3% vs TC avg

§112

6.3%

-33.7% vs TC avg

Black line = Tech Center average estimate • Based on career data from 873 resolved cases

Prosecution Timeline

May 30, 2024

Application Filed

Jun 05, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

18/671,261

Patent 12678811

ELECTRIC JET TANK

2y 1m to grant Granted Jul 14, 2026

18/999,043

Patent 12680547

FLUID PUMP ASSEMBLY

1y 6m to grant Granted Jul 14, 2026

19/215,869

Patent 12680548

LIQUID PUMP

1y 1m to grant Granted Jul 14, 2026

18/381,802

Patent 12655837

Apparatus For Pumping Liquid Onto A Rotating Surface

2y 8m to grant Granted Jun 16, 2026

18/415,894

Patent 12655836

U-SHAPED E-CIGARETTE PERISTALTIC PUMP

2y 5m 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

69%

Grant Probability

99%

With Interview (+40.3%)

2y 10m (~8m remaining)

Median Time to Grant

Low

PTA Risk

Based on 873 resolved cases by this examiner. Grant probability derived from career allowance rate.