Prosecution Insights
Last updated: May 29, 2026

Examiner: ZHENG, LOIS L

Tech Center 2800 • Art Units: 1733 1738 1759 1793 2812

This examiner grants 68% of resolved cases

Performance Statistics

67.7%
Allow Rate
At TC average
786
Total Applications
+13.2%
Interview Lift
1350
Avg Prosecution Days
Based on 741 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
4.8%
§102 Novelty
82.0%
§103 Obviousness
2.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18213419 RECYCLED ALUMINUM COMPOSITION FOR COMPUTER CHASSIS Non-Final OA DELL PRODUCTS L.P.
18290418 ALUMINUM ALLOY, METHOD FOR MANUFACTURING SAME, AND PARTS USING SAME Non-Final OA LG ELECTRONICS INC.
17788678 ALUMINUM ALLOY FOIL Non-Final OA DAI NIPPON PRINTING CO., LTD.
18326507 COLORMETRIC METHODS TO PREDICT COATING AND BOND PERFORMANCE PROPERTIES Non-Final OA The Boeing Company
18400580 ALUMINUM COATED BLANK AND MANUFACTURING METHOD THEREOF Non-Final OA Hyundai Steel Company
17998590 ALUMINUM ALLOY PRETREATMENT WITH PHOSPHORUS- CONTAINING ORGANIC ACIDS FOR SURFACE MODIFICATION Non-Final OA Novelis Inc.
18322772 Workpiece Plating Treatment Method and Workpiece Manufacturing Method Non-Final OA Tyco Electronics (Shanghai) Co., Ltd.
17759465 METHOD FOR THE SURFACE TREATMENT OF ALUMINIUM-BASED PARTS Non-Final OA SAFRAN AEROSYSTEMS
18951989 Dyed Trivalent Chromium Conversion Coatings and Methods of Using Same Non-Final OA Chemeon Surface Technology, LLC
18288467 Aluminum Casting Alloy for Near Net Shaped Casting of Structural or Non-structural Components Non-Final OA McMaster University
18165696 RESOURCE-SAVING METHOD FOR ZINC PHOSPHATING OF A METAL SURFACE Non-Final OA Henkel AG & Co. KGaA
18559093 ALUMINUM ALLOY SHEET FOR BEVERAGE CAN BODY Non-Final OA UACJ Corporation
18250478 TREATMENT OF METALLIC SURFACES BY OH-FUNCTIONAL COPOLYMER CONTAINING ACIDIC AQUEOUS COMPOSITIONS Non-Final OA CHEMETALL GMBH
18003662 Improved Activation Agent for Manganese Phosphating Processes Non-Final OA CHEMETALL GMBH
17904969 ONE-STEP PRETREATMENT METHOD OF METALLIC SUBSTRATES FOR METAL COLD FORMING Non-Final OA CHEMETALL GMBH
18289430 HIGH-STRENGTH ALUMINUM ALLOY FOR 3D PRINTING, AND MANUFACTURING METHOD THEREFOR Non-Final OA ACTS TECHNOLOGIES INC.
18289403 ALUMINUM ALLOY, ALUMINUM ALLOY WIRE, AND METHOD OF MANUFACTURING ALUMINUM ALLOY WIRE Non-Final OA SUMITOMO ELECTRIC TOYAMA CO., LTD.
18385720 ALUMINUM LITHIUM ALLOY AND ALUMINUM COPPER ALLOY PARTS PRODUCED USING SOLID STATE MANUFACTURING Non-Final OA MELD MANUFACTURING CORPORATION
18479211 MATERIAL FOR METAL LINE, METAL LINE IN SEMICONDUCTOR DEVICE AND METHOD FOR FORMING METAL LINE IN SEMICONDUCTOR DEVICE Non-Final OA HUIZHOU TOP METAL MATERIAL CO., LTD.
18281588 MICRO-MOLYBDENUM-TYPE WEATHERING BRIDGE STEEL PLATE AND PREPARATION METHOD THEREOF Non-Final OA NANJING IRON & STEEL CO., LTD.
18261657 400 MPa CORROSION-RESISTANT STEEL BAR AND PRODUCTION METHOD THEREOF Non-Final OA JIANGSU SHAGANG GROUP CO., LTD.
18214091 HIGH CONDUCTIVITY MAGNESIUM ALLOY Non-Final OA Terves, LLC
17955561 PROCESSING METHOD FOR FLUORINATION OF FLUORINATION-TARGET COMPONENT AND FLUORINATED COMPONENT OBTAINED THEREBY Final Rejection WONIK QNC Corporation

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