Prosecution Insights
Last updated: October 01, 2026

Examiner: LAN, YAN

Tech Center 3700 • Art Units: 1749 1782 1784 3734

This examiner grants 63% of resolved cases

Analysis

Yan Lan works in Tech Center 3700 and Art Unit 1749 with 631 resolved cases. The allowance rate pct is 63.1, and the median days to allowance is 1197. This indicates the level of difficulty for applicants in his docket. The 1197-day median to allowance is a figure for managing expectations in Art Unit 1749 and planning the timing of future filings.

The interview lift pct of 21.9 is a metric suggesting that interviews are a factor in securing an allowance. This 21.9 lift indicates that direct discussion is associated with resolving the examiner's objections and improving the 63.1 allowance rate pct. The 631 resolved cases provide a data set for these prosecution metrics. A 21.9 lift suggests that practitioners who engage in interviews may see a different outcome than those who rely on written responses alone.

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

Performance Statistics

63.1%
Allow Rate
-6.9% vs TC avg
669
Total Applications
+21.9%
Interview Lift
1197
Avg Prosecution Days
Based on 631 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
13.7%
§102 Novelty
61.7%
§103 Obviousness
19.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18391948 METHOD FOR METALLIZING THE INNER FACE OF A TUBE MADE OF A CERAMIC OR A CERAMIC MATRIX COMPOSITE Non-Final OA COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
18454213 Environmentally Friendly Blister Package With Contact Adhesive Final Rejection henkel AG & CO., KGaA
18626829 LAMINATE, PACKAGE, AND PACKAGED ARTICLE Non-Final OA TOPPAN Holdings Inc.
18561173 PACKAGING MATERIAL FILM, PACKAGING MATERIAL, PACKAGING BAG, AND PACKAGE BODY Final Rejection TOPPAN Holdings Inc.
18559525 SOLID-INFUSED SURFACES, ARTICLES INCORPORATING SOLID-INFUSED SURFACES, METHODS OF MAKING, AND METHODS OF USE THEREOF Non-Final OA VIRGINIA TECH INTELLECTUAL PROPERTIES, INC.
18585889 ARTICLES WITH SURFACE COATING AND METHODS FOR MAKING THE SAME Non-Final OA MEDTRONIC, INC.
18579136 Moulded Fiber Container for Dairy Products, Method for Manufacturing Such Container and Use Thereof Non-Final OA Huhtamaki Molded Fiber Technology B.V.
19043903 BLOW MOLDED CONTAINERS AND METHODS OF MAKING THE SAME Final Rejection CSP TECHNOLOGIES, INC.
18289139 METHOD FOR PRODUCING POLYESTER RESIN COMPOSITION AND METHOD FOR REGENERATING COLLECTED POLYESTER RESIN Final Rejection TOYOBO CO., LTD.
18470213 RESIN COMPOSITION, LAMINATE STRUCTURE, CABLE, TUBE, AND METHOD FOR MANUFACTURING RESIN COMPOSITION Non-Final OA Proterial, Ltd.
17913333 PREPREG, FIBER-REINFORCED COMPOSITE MATERIAL, HIGH-PRESSURE GAS STORAGE TANK, METHOD FOR PRODUCING PREPREG, AND METHOD FOR PRODUCING HIGH-PRESSURE GAS STORAGE TANK Final Rejection MITSUBISHI GAS CHEMICAL COMPANY, INC.
16758043 RECYCLABLE FILM AND PACKAGING Final Rejection AMCOR FLEXIBLES NORTH AMERICA, INC.
18729990 RESIN COMPOSITION, MOLDED BODY, LAMINATE AND LAMINATED TUBE Non-Final OA MITSUI CHEMICALS, INC.
17995491 XYLYLENE DIISOCYANATE-CONTAINING CONTAINER, METHOD FOR STORING XYLYLENE DIISOCYANATE, AND METHOD FOR TRANSPORTING XYLYLENE DIISOCYANATE Final Rejection MITSUI CHEMICALS, INC.
18476956 EXPANDABLE POLYLACTIC ACID-BASED THERMAL AND PROTECTIVE PACKAGING HAVING ADVANCED LIVING HINGES AND METHODS THEREOF Final Rejection Lifoam Industries, LLC

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