Last updated: May 29, 2026

Application No. 18/566,646

COMBINED WAVE ENERGY CONVERTER AND GRID STORAGE

Final Rejection

Filed

Dec 02, 2023

Priority

Jun 04, 2021 — GB 2108002.3 +1 more

Examiner

MIKAILOFF, STEFAN

Art Unit

2834

Tech Center

2800 — Semiconductors & Electrical Systems

Assignee

Twefda Limited

OA Round

2 (Final)

Interview Optional

— +28.3% interview lift. Interview already conducted in this application's prosecution history. This examiner has a 42% grant rate with +28.3% interview lift. Since an interview has already been tried, recommend written response with narrowed claims based on precedent claim evolution patterns.

Based on 451 resolved cases, 2023–2026

Examiner Intelligence

MIKAILOFF, STEFAN View full profile →

Grants 42% of resolved cases

Career Allowance Rate

190 granted / 451 resolved

-25.9% vs TC avg

Strong +28% interview lift

Without

With

+28.3%

Interview Lift

resolved cases with interview

Typical timeline

2y 6m

Avg Prosecution

10 currently pending

Career history

473

Total Applications

across all art units

Statute-Specific Performance

§101

2.5%

-37.5% vs TC avg

§103

63.7%

+23.7% vs TC avg

§102

5.5%

-34.5% vs TC avg

§112

23.6%

-16.4% vs TC avg

Black line = Tech Center average estimate • Based on career data from 451 resolved cases

Prosecution Timeline

Dec 02, 2023

Application Filed

Sep 02, 2025

Examiner Interview (Telephonic)

Sep 10, 2025

Non-Final Rejection mailed

Jan 09, 2026

Response Filed

May 27, 2026

Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

17/574,172

Patent 12638003

VERTICAL WIND TURBINE

4y 4m to grant Granted May 26, 2026

18/695,956

Patent 12577937

METHOD OF RESTARTING A WIND TURBINE

1y 11m to grant Granted Mar 17, 2026

18/191,182

Patent 12519407

OPERATION CONTROL METHOD FOR ENGINE-DRIVEN ELECTRIC GENERATOR AND ENGINE-DRIVEN ELECTRIC GENERATOR FOR DRIVING A SUBMERSIBLE PUMP FOR DRAINAGE

2y 9m to grant Granted Jan 06, 2026

18/030,081

Patent 12492674

FLOATING OSCILLATING WATER COLUMN-TYPE WAVE ENERGY POWER GENERATION APPARATUS

2y 8m to grant Granted Dec 09, 2025

18/585,784

Patent 12460615

WIND TURBINE WITH TWO SETS OF BLADES AND AEROGENERATOR

1y 8m to grant Granted Nov 04, 2025

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

3-4

Expected OA Rounds

42%

Grant Probability

70%

With Interview (+28.3%)

2y 6m (~0m remaining)

Median Time to Grant

Moderate

PTA Risk

Based on 451 resolved cases by this examiner. Grant probability derived from career allowance rate.