Prosecution Insights
Last updated: October 02, 2026

Examiner: CATTUNGAL, ROWINA J

Tech Center 2400 • Art Units: 2425 2486

This examiner grants 75% of resolved cases

Analysis

Rowina J. Cattungal is an examiner in Tech Center 2400 and Art Unit 2425. She has resolved 536 cases with an allowance rate of 74.8 percent. This high rate suggests a favorable environment for applicants seeking patent protection. The 536 resolved cases provide a foundation for analyzing the examiner's historical performance and tendencies.

The interview lift for this examiner is 12.7 percent. This provides a boost to the 74.8 percent baseline allowance rate. Practitioners should consider using interviews to resolve any remaining issues and ensure a grant. The 12.7 percent lift demonstrates that direct communication with the examiner is a statistically effective way to improve the chances of a successful outcome.

The median days to allowance is 907. This timeline is a useful metric for applicants to gauge the expected duration of their prosecution. The 907-day figure, when paired with the 74.8 percent allowance rate, indicates a relatively efficient path to issuance. Practitioners can use this 907-day benchmark to plan their strategy and manage client expectations effectively.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

74.8%
Allow Rate
+16.8% vs TC avg
575
Total Applications
+12.7%
Interview Lift
907
Avg Prosecution Days
Based on 536 resolved cases, 2023–2026

Rejection Statute Breakdown

4.3%
§101 Eligibility
12.7%
§102 Novelty
60.9%
§103 Obviousness
7.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19662454 IMAGE DATA ENCODING/DECODING METHOD AND APPARATUS Non-Final OA B1 INSTITUTE OF IMAGE TECHNOLOGY, INC.
19573609 IMAGE DATA ENCODING/DECODING METHOD AND APPARATUS Non-Final OA B1 INSTITUTE OF IMAGE TECHNOLOGY, INC.
19569334 METHOD AND APPARATUS OF ENCODING/DECODING IMAGE DATA BASED ON TREE STRUCTURE-BASED BLOCK DIVISION Final Rejection B1 INSTITUTE OF IMAGE TECHNOLOGY, INC.
19569342 METHOD AND APPARATUS OF ENCODING/DECODING IMAGE DATA BASED ON TREE STRUCTURE-BASED BLOCK DIVISION Final Rejection B1 INSTITUTE OF IMAGE TECHNOLOGY, INC.
19557503 METHOD AND APPARATUS OF ENCODING/DECODING IMAGE DATA BASED ON TREE STRUCTURE-BASED BLOCK DIVISION Non-Final OA B1 INSTITUTE OF IMAGE TECHNOLOGY, INC.
19439576 METHOD AND APPARATUS FOR RECONSTRUCTING 360-DEGREE IMAGE ACCORDING TO PROJECTION FORMAT Non-Final OA B1 INSTITUTE OF IMAGE TECHNOLOGY, INC.
19056463 METHOD AND APPARATUS OF ENCODING/DECODING IMAGE DATA BASED ON TREE STRUCTURE-BASED BLOCK DIVISION Non-Final OA B1 INSTITUTE OF IMAGE TECHNOLOGY, INC.
19056444 METHOD AND APPARATUS OF ENCODING/DECODING IMAGE DATA BASED ON TREE STRUCTURE-BASED BLOCK DIVISION Non-Final OA B1 INSTITUTE OF IMAGE TECHNOLOGY, INC.
18633634 METHODS AND APPARATUS FOR PREDICTION SIMPLIFICATION IN VIDEO CODING Non-Final OA BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.

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