Last updated: July 17, 2026

Application No. 18/659,461

SYSTEMS AND METHODS FOR GRAVITY ENERGY STORAGE

Non-Final OA

Filed

May 09, 2024

Priority

May 09, 2023 — provisional 63/501,014

Examiner

GUGGER, SEAN A

Art Unit

4100

Tech Center

4100

Assignee

Renewell Energy

OA Round

1 (Non-Final)

This examiner grants 64% of cases after interview

— +23.1% interview lift. A telephonic interview to clarify the technical implementation could significantly improve the outcome.

Based on 696 resolved cases, 2023–2026

Examiner Intelligence

GUGGER, SEAN A View full profile →

Grants 64% of resolved cases

Career Allowance Rate

449 granted / 696 resolved

+4.5% vs TC avg

Strong +23% interview lift

Without

With

+23.1%

Interview Lift

resolved cases with interview

Fast prosecutor

2y 1m

Avg Prosecution

39 currently pending

Career history

736

Total Applications

across all art units

Statute-Specific Performance

§101

0.6%

-39.4% vs TC avg

§103

80.4%

+40.4% vs TC avg

§102

3.0%

-37.0% vs TC avg

§112

10.5%

-29.5% vs TC avg

Black line = Tech Center average estimate • Based on career data from 696 resolved cases

Prosecution Timeline

May 09, 2024

Application Filed

Jan 13, 2026

Response after Non-Final Action

Jun 05, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

18/496,371

Patent 12679232

CHARGER LATCH ASSISTING DEVICE

2y 8m to grant Granted Jul 14, 2026

18/510,027

Patent 12683321

SEALING MEMBER, WIRE HARNESS PROVIDED WITH SEALING MEMBER, CONNECTOR PROVIDED WITH SEALING MEMBER

2y 8m to grant Granted Jul 14, 2026

18/629,515

Patent 12683448

MOTOR INNER IRON ASSEMBLY FOR A RECIPROCATING COMPRESSOR

2y 3m to grant Granted Jul 14, 2026

18/698,484

Patent 12683472

TWISTING ASSEMBLY FOR WIRES OF INDUCTIVE WINDINGS AND THE LIKE

2y 3m to grant Granted Jul 14, 2026

18/598,465

Patent 12676514

STATOR, MOTOR, AND GENERATOR

2y 4m to grant Granted Jul 07, 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

64%

Grant Probability

88%

With Interview (+23.1%)

2y 1m (~0m remaining)

Median Time to Grant

Low

PTA Risk

Based on 696 resolved cases by this examiner. Grant probability derived from career allowance rate.