Last updated: July 17, 2026

Application No. 17/907,335

OPEN CELLED FLEXIBLE POLYURETHANE FOAM HAVING IMPROVED SELF-EXTINGUISHING FIRE TEST PERFORMANCE

Non-Final OA

Filed

Oct 30, 2023

Priority

Jun 05, 2020 — IT 102020000013318 +1 more

Examiner

RIOJA, MELISSA A

Art Unit

Tech Center

Assignee

Dow Global Technologies LLC

OA Round

1 (Non-Final)

This examiner grants 50% of cases after interview

— +54.1% interview lift. A telephonic interview to clarify the technical implementation could significantly improve the outcome.

Based on 863 resolved cases, 2023–2026

Examiner Intelligence

RIOJA, MELISSA A View full profile →

Grants 50% of resolved cases

Career Allowance Rate

428 granted / 863 resolved

-10.4% vs TC avg

Strong +54% interview lift

Without

With

+54.1%

Interview Lift

resolved cases with interview

Typical timeline

3y 1m

Avg Prosecution

50 currently pending

Career history

925

Total Applications

across all art units

Statute-Specific Performance

§101

0.4%

-39.6% vs TC avg

§103

64.8%

+24.8% vs TC avg

§102

6.7%

-33.3% vs TC avg

§112

13.6%

-26.4% vs TC avg

Black line = Tech Center average estimate • Based on career data from 863 resolved cases

Prosecution Timeline

Oct 30, 2023

Application Filed

May 22, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

18/020,305

Patent 12679943

Additive for Reducing Polyurethane Foam Degradation

3y 5m to grant Granted Jul 14, 2026

18/147,443

Patent 12662566

POLYURETHANE FOAM AND METHODS OF FORMING THE SAME

3y 5m to grant Granted Jun 23, 2026

17/805,044

Patent 12654280

CMP PAD HAVING POLISHING LAYER OF LOW SPECIFIC GRAVITY

4y 0m to grant Granted Jun 16, 2026

17/297,675

Patent 12649809

FOAMS AND METHODS OF FORMING FOAMS OF CHAIN EXTENDED/BRANCHED COPOLYMERS OF VINYLIDENE SUBSTITUTED AROMATIC MONOMERS

5y 0m to grant Granted Jun 09, 2026

18/042,800

Patent 12643976

ISOCYANATE-TERMINATED PREPOLYMERS BASED ON POLYOXYMETHYLENE-POLYOXYALKYLENE BLOCK COPOLYMERS, PROCESS FOR THE PREPARATION AND USE THEREOF

3y 3m 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

50%

Grant Probability

99%

With Interview (+54.1%)

3y 1m (~5m remaining)

Median Time to Grant

Low

PTA Risk

Based on 863 resolved cases by this examiner. Grant probability derived from career allowance rate.