Last updated: July 10, 2026

Application No. 19/153,953

Untitled Application

Unknown

Filed

Priority

Feb 06, 2023 — provisional 63/443,485 +1 more

Examiner

YAO, THEODORE N

Art Unit

Tech Center

National Oilwell Varco, L.P.

Assignee

National Oilwell Varco L.P.

OA Round

1 (Non-Final)

Interview Optional

— +38.7% interview lift. Examiner has a relatively high allowance rate (67%); +38.7% interview lift. A written response may suffice.

Based on 288 resolved cases, 2023–2026

Examiner Intelligence

YAO, THEODORE N View full profile →

Grants 67% — above average

Career Allowance Rate

194 granted / 288 resolved

+7.4% vs TC avg

Strong +39% interview lift

Without

With

+38.7%

Interview Lift

resolved cases with interview

Typical timeline

2y 10m

Avg Prosecution

39 currently pending

Career history

337

Total Applications

across all art units

Statute-Specific Performance

§101

0.6%

-39.4% vs TC avg

§103

80.9%

+40.9% vs TC avg

§102

4.0%

-36.0% vs TC avg

§112

10.1%

-29.9% vs TC avg

Black line = Tech Center average estimate • Based on career data from 288 resolved cases

Precedent Cases

Applications granted by this same examiner with similar technology

18/999,405

Patent 12674371

DOWNHOLE SETTING SYSTEM FOR USE IN A WELLBORE

1y 6m to grant Granted Jul 07, 2026

18/442,695

Patent 12668936

Type III Traffic Barricade

2y 4m to grant Granted Jun 30, 2026

17/954,437

Patent 12662898

LATERAL LINER INCLUDING A VALVED WIPER PLUG ASSEMBLY

3y 8m to grant Granted Jun 23, 2026

18/616,775

Patent 12662900

SUBSURFACE SAFETY VALVE INCLUDING AN ELECTROPERMANENT MAGNET AND TARGET

2y 2m to grant Granted Jun 23, 2026

18/852,722

Patent 12644345

LOCATOR FOR SURVEY APPARATUS

1y 8m to grant Granted Jun 02, 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

67%

Grant Probability

99%

With Interview (+38.7%)

2y 10m

Median Time to Grant

Low

PTA Risk

Based on 288 resolved cases by this examiner. Grant probability derived from career allowance rate.