Last updated: July 05, 2026

Application No. 19/059,558

GROUP CONTEX ENTROPY CODING

Non-Final OA

Filed

Feb 21, 2025

Priority

Mar 26, 2024 — provisional 63/570,213 +1 more

Examiner

KALAPODAS, DRAMOS

Art Unit

2487

Tech Center

2400 — Computer Networks

Assignee

Tencent Technology (Shenzhen) Company Limited

OA Round

1 (Non-Final)

Interview Optional

— +26.7% interview lift. Interview already conducted in this application's prosecution history. This examiner has a 80% grant rate with +26.7% interview lift. Since an interview has already been tried, recommend written response with narrowed claims based on precedent claim evolution patterns.

Based on 735 resolved cases, 2023–2026

Examiner Intelligence

KALAPODAS, DRAMOS View full profile →

Grants 80% — above average

Career Allowance Rate

584 granted / 735 resolved

+21.5% vs TC avg

Strong +27% interview lift

Without

With

+26.7%

Interview Lift

resolved cases with interview

Typical timeline

2y 3m

Avg Prosecution

18 currently pending

Career history

759

Total Applications

across all art units

Statute-Specific Performance

§101

1.0%

-39.0% vs TC avg

§103

87.7%

+47.7% vs TC avg

§102

6.2%

-33.8% vs TC avg

§112

3.8%

-36.2% vs TC avg

Black line = Tech Center average estimate • Based on career data from 735 resolved cases

Prosecution Timeline

Feb 21, 2025

Application Filed

Apr 01, 2026

Non-Final Rejection mailed

Jun 30, 2026

Examiner Interview Summary

Jun 30, 2026

Applicant Interview (Telephonic)

Precedent Cases

Applications granted by this same examiner with similar technology

18/747,121

Patent 12671822

INTRA-FRAME PREDICTION MODE DETERMINATION METHOD, VIDEO CODING METHOD AND APPARATUS

2y 0m to grant Granted Jun 30, 2026

18/803,186

Patent 12671814

ENTROPY CODING USING PRE-DEFINED, FIXED CDFS

1y 10m to grant Granted Jun 30, 2026

18/328,548

Patent 12659489

PRECISION TRANSFORM COEFFICIENT SCALING AND QUANTIZATION FOR IMAGE AND VIDEO CODING

3y 0m to grant Granted Jun 16, 2026

19/042,596

Patent 12651464

PORTABLE PERSONAL ASSISTANT SYSTEM AND METHOD FOR SENSORY DATA STORAGE, MANIPULATION, AND EXCHANGE

1y 4m to grant Granted Jun 09, 2026

18/412,841

Patent 12647610

METHOD AND APPARATUS FOR VIDEO CODING REFINING PREDICTED SIGNALS OF INTRA PREDICTION BASED ON DEEP LEARNING

2y 4m 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

80%

Grant Probability

99%

With Interview (+26.7%)

2y 3m (~11m remaining)

Median Time to Grant

Low

PTA Risk

Based on 735 resolved cases by this examiner. Grant probability derived from career allowance rate.