Last updated: July 15, 2026

Application No. 18/062,161

COMPACT DC SYSTEM FOR DELIVERING A SQUARE WAVE AC SIGNAL

Final Rejection

Filed

Dec 06, 2022

Priority

Dec 07, 2021 — provisional 63/286,687 +1 more

Examiner

TEHRANI, DANIEL

Art Unit

3792

Tech Center

3700 — Mechanical Engineering & Manufacturing

Assignee

Novocure GmbH

OA Round

2 (Final)

This examiner grants 60% of cases after interview

— +49.3% interview lift. A telephonic interview to clarify the technical implementation could significantly improve the outcome.

Based on 55 resolved cases, 2023–2026

Examiner Intelligence

TEHRANI, DANIEL View full profile →

Grants 60% of resolved cases

Career Allowance Rate

33 granted / 55 resolved

-10.0% vs TC avg

Strong +49% interview lift

Without

With

+49.3%

Interview Lift

resolved cases with interview

Typical timeline

3y 7m

Avg Prosecution

37 currently pending

Career history

Total Applications

across all art units

Statute-Specific Performance

§101

3.5%

-36.5% vs TC avg

§103

11.6%

-28.4% vs TC avg

§102

42.4%

+2.4% vs TC avg

§112

37.4%

-2.6% vs TC avg

Black line = Tech Center average estimate • Based on career data from 55 resolved cases

Prosecution Timeline

Dec 06, 2022

Application Filed

Oct 29, 2025

Non-Final Rejection mailed

Feb 27, 2026

Response Filed

Apr 06, 2026

Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

17/886,319

Patent 12661522

TRANSDUCER APPARATUSES WITH ELECTRODE ELEMENT SPACING TO REDUCE EDGE EFFECT IN DELIVERING TUMOR TREATING FIELDS TO A SUBJECT'S BODY

3y 10m to grant Granted Jun 23, 2026

17/611,534

Patent 12623070

TRANSCUTANEOUS ELECTRICAL SPINAL CORD NEUROMODULATOR AND USES THEREOF

4y 5m to grant Granted May 12, 2026

17/934,360

Patent 12623082

STIMULATION PATTERNS FOR DEEP BRAIN STIMULATION

3y 7m to grant Granted May 12, 2026

17/555,217

Patent 12599764

HEADER ASSEMBLY HAVING CONTROLLED THERAPEUTIC AGENT RELEASE

4y 3m to grant Granted Apr 14, 2026

17/382,743

Patent 12558546

DORSAL ROOT GANGLION STIMULATION IN INFLUENCING ORGAN FUNCTION

4y 7m to grant Granted Feb 24, 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

3-4

Expected OA Rounds

60%

Grant Probability

99%

With Interview (+49.3%)

3y 7m (~0m remaining)

Median Time to Grant

Moderate

PTA Risk

Based on 55 resolved cases by this examiner. Grant probability derived from career allowance rate.