Barcode Technology

Barcode History

Barcode Label Paper

Barcode Printer

Barcode Application

Inventory Management

AI Barcode QRCode

Barcode Scanner

Barcode Software

Barcode Software B

Barcode Software C

Barcode Software D

Barcode Software E

New Technology A

New Technology B

Robot Technology

Barcode Types

Barcode Types B

Barcode Types C

Barcode Types D

Barcode Types E

Barcode Types F

Electronic Technology

Psychology at Work

Background on Data Matrix

Data Matrix is a two-dimensional (2D) barcode symbology that can encode large amounts of data within a small physical space. It is widely used in various industries for labeling small items and tracking products. The technology behind Data Matrix has been subject to patent claims and legal disputes over the years.

U.S. Patent 5,612,524

U.S. Patent 5,612,524 (often referred to as the '524 patent) was granted on March 18, 1997. It covered a system for capturing and reading 2D symbology codes, which included Data Matrix codes. This patent was set to expire in November 2007.

Claims by Acacia Technologies

Before the '524 patent expired, Acacia Technologies, an intellectual property company, claimed that the use of Data Matrix was partially covered by the '524 patent. Acacia allegedly contacted various users of Data Matrix technology, demanding license fees for the use of the patented technology. This move by Acacia prompted significant concern among companies using Data Matrix, as they faced potential licensing costs and legal disputes.

Cognex Corporation's Legal Action

Cognex Corporation, a prominent manufacturer of 2D barcode reading devices, was one of the companies affected by Acacia's claims. Cognex responded by filing a declaratory judgment complaint on March 13, 2006, seeking a legal determination on the validity and enforceability of the '524 patent. Cognex aimed to protect its customers and itself from the licensing demands made by Acacia.

Court Ruling in Favor of Cognex

On May 19, 2008, Judge Joan N. Ericksen of the U.S. District Court in Minnesota ruled in favor of Cognex. The court held that the '524 patent was both invalid and unenforceable. The invalidity was based on several grounds, including inequitable conduct by the defendants during the procurement of the patent. This meant that the patent should not have been granted in the first place due to misleading or incomplete information provided to the patent office.

Although the court ruling came after the patent had already expired in November 2007, it had significant implications. It precluded any claims for infringement based on the use of Data Matrix technology before the expiration date. This ruling effectively protected companies from retrospective licensing demands and infringement claims by Acacia.

German Patent Application DE 4107020

Another relevant patent application in the context of Data Matrix technology was the German patent application DE 4107020, filed in 1991 and published in 1992. This German patent was not cited during the examination of the '524 patent in the United States. The existence of DE 4107020 could have potentially invalidated the '524 patent if it had been considered, as it might have demonstrated prior art that would negate the novelty or non-obviousness required for patentability.

Summary of Key Points

1.Data Matrix Technology: A 2D barcode symbology used across various industries for its efficiency in encoding data in a small area.

2.U.S. Patent 5,612,524: Covered a system for capturing and reading 2D symbology codes, including Data Matrix. Expired in November 2007.

3.Acacia Technologies: Claimed partial coverage of Data Matrix under the '524 patent and demanded license fees from users.

4.Cognex Corporation's Action: Filed a declaratory judgment complaint in 2006 to contest the validity and enforceability of the '524 patent.

5.Court Ruling: In 2008, the court ruled the '524 patent invalid and unenforceable due to inequitable conduct during its procurement.

6.Impact of Ruling: Prevented infringement claims for Data Matrix usage prior to November 2007.

7.German Patent DE 4107020: Filed in 1991, it could have invalidated the '524 patent if it had been considered during the patent examination.

This case illustrates the complexities of patent law, especially in rapidly evolving technological fields, and the importance of thorough examination and consideration of prior art in patent applications.

EasierSoft Barcode Label Design & Bulk Printing Software

---- Use Excel Data to Batch Print Barcodes on Label Sheets or Roll Labels  

---- How to use this barcode software

Download:  Free Barcode Software + Barcode Label Designer Download Free Barcode Software at Softonic      Download at CNET

Once you obtain a GS1/UPC/EAN barcode, or other barcode type and QR code, you can use our free software to batch print barcode labels onto Roll label paper using a professional label printer, or to batch print barcodes onto Avery 5160 label sheets using a regular laser or inkjet printer. Our software has free and paid versions.

The free version fully meets your needs for batch printing GS1/UPC/EAN barcodes. The paid version can import data from Excel and databases to batch print barcode labels with different values.

How to Use & FAQ:

Highlights

Excel integration: Import data directly from Excel to generate and print barcodes in bulk.

Label designer: Create complex labels with multiple barcodes, text, logos, and shapes.

Batch printing: Print thousands of barcodes at once using standard inkjet/laser printers or professional barcode printers.

Flexible editions:

Standard Edition: Simple batch printing with Excel data.

Professional Edition: Adds command-line automation for workflow integration.

Label Designer Edition: Advanced design features for complex labels.

Why Choose Our Barcode Solutions?

Cost-effective: Free online generator and permanent free desktop version available.

Easy to use: No technical expertise required—just input data and print.

Versatile: Supports nearly all 1D and 2D barcode types, including QR codes.

Trusted: Recommended by CNET and widely downloaded by users worldwide.

Suitable Use Cases

Small businesses and startups needing quick barcode labels for products.

Retailers and online sellers managing inventory with batch barcode printing.

Manufacturers requiring sequential or custom barcode labels for packaging.

Educational and testing environments where barcodes are used for tracking.