Last updated: July 17, 2026

Application No. 18/556,247

OLEFIN-BASED POLYMER COMPOSITIONS WITH IMPROVED CURE

Non-Final OA

Filed

Oct 19, 2023

Priority

Jun 30, 2021 — nonprovisional of PCTCN2021103385

Examiner

LENIHAN, JEFFREY S

Art Unit

1765

Tech Center

1700 — Chemical & Materials Engineering

Assignee

Dow Global Technologies LLC

OA Round

1 (Non-Final)

Interview Optional

— +16.5% interview lift. Examiner has a relatively high allowance rate (73%); +16.5% interview lift. A written response may suffice.

Based on 921 resolved cases, 2023–2026

Examiner Intelligence

LENIHAN, JEFFREY S View full profile →

Grants 73% — above average

Career Allowance Rate

675 granted / 921 resolved

+8.3% vs TC avg

Strong +16% interview lift

Without

With

+16.5%

Interview Lift

resolved cases with interview

Typical timeline

2y 11m

Avg Prosecution

51 currently pending

Career history

968

Total Applications

across all art units

Statute-Specific Performance

§101

0.1%

-39.9% vs TC avg

§103

75.0%

+35.0% vs TC avg

§102

5.0%

-35.0% vs TC avg

§112

18.6%

-21.4% vs TC avg

Black line = Tech Center average estimate • Based on career data from 921 resolved cases

Prosecution Timeline

Oct 19, 2023

Application Filed

May 19, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

17/371,747

Patent 12679959

Method For Producing Rubber Composition, Rubber Composition and Tire Produced by Employing the Same

5y 0m to grant Granted Jul 14, 2026

17/773,722

Patent 12674051

HETEROPHASIC PROPYLENE ETHYLENE COPOLYMER COMPOSITION WITH DESIRABLE BALANCE OF MECHANICAL PROPERTIES

4y 2m to grant Granted Jul 07, 2026

18/007,814

Patent 12674048

POLYOLEFIN COMPOSITIONS

3y 7m to grant Granted Jul 07, 2026

17/282,196

Patent 12649846

SELF-EXTINGUISHING RESIN MOLDED BODY

5y 2m to grant Granted Jun 09, 2026

17/349,002

Patent 12606685

Extruded Non-Crosslinked Polyethylene Foam

4y 10m to grant Granted Apr 21, 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

73%

Grant Probability

90%

With Interview (+16.5%)

2y 11m (~2m remaining)

Median Time to Grant

Low

PTA Risk

Based on 921 resolved cases by this examiner. Grant probability derived from career allowance rate.