Alcatel USA Inc v. DGI Technologies Inc

Court of Appeals for the Fifth Circuit·Decided February 26, 1999·No. 97-11339·Published

Opinion

REVISED - February 26, 1999

IN THE UNITED STATES COURT OF APPEALS FOR THE FIFTH CIRCUIT

No. 97-11339

ALCATEL USA, INC.,

Plaintiff-Counter-Defendant-

Appellee-Cross-Appellant,

versus

DGI TECHNOLOGIES, INC.,

Defendant-Counter-Claimant-

Appellant-Cross-Appellee.

Appeal from the United States District Court for the Northern District of Texas

January 29, 1999

Before JOLLY, WIENER, and STEWART, Circuit Judges. WIENER, Circuit Judge:

The complex intellectual property action that we hear on appeal today involves a multifaceted dispute between two competitors in the telecommunications equipment manufacturing industry. Plaintiff-Counter-Defendant-Appellee-Cross-Appellant Alcatel USA, Inc. (formerly DSC Communications Corporation (“DSC”)) filed suit against Defendant-Counter-Claimant-Appellant-Cross- Appellee DGI Technologies, Inc. (“DGI”), alleging that DGI infringed DSC’s copyrights, misappropriated its trade secrets, and engaged in unfair competition by misappropriating its time, labor, skill and money. DGI, in turn, asserted that DSC violated § 2 of

the Sherman Act, interfered with DGI’s prospective business relations, and also engaged in unfair competition. After a lengthy trial, the district court entered a set-off judgment in favor of DSC and an order enjoining DGI from selling the infringing products.

For the reasons explained below, we affirm the district court’s grant of a judgment as a matter of law (“JML”) in favor of DSC, dismissing DGI’s antitrust claim. We also affirm the jury’s determination that damages are due to DSC on its claim of misappropriation of trade secrets, and the district court’s injunction against DGI, based in part on this claim. Because DSC misused its copyrights, however, we reverse the portions of the injunction tailored by the district court as relief from DGI’s copyright infringement. Concluding that DSC’s state law claim of unfair competition by misappropriation is preempted, we also reverse the district court’s denial of a JML in favor of DGI on this issue, and vacate all legal and equitable relief awarded to DSC for this claim, including the portion of the damage award attributable thereto. Because the monetary damages award to DSC was not sufficiently itemized to permit us to modify the district court’s judgment and render a modified judgment, we remand for that court to do so, taking into account the elimination of state unfair competition damages. Finally, we reverse the award of damages in favor of DGI on its claims for tortious interference and unfair competition, concluding that these claims are not supported by the evidence.

I

FACTS AND PROCEEDINGS

DSC designs, manufactures, and sells equipment (“switches”)

comprising telephone switching systems. Its customers are long- distance telephone service providers, such as MCI and Sprint. A telephone switch routes long distance telephone calls to their destinations.1 DSC switches are controlled by its copyrighted operating system software. DSC regularly implements new features in its switches by upgrading its software, a process that costs DSC millions of dollars.

DSC does not sell its operating system software —— as it does the switches —— but instead licenses its use pursuant to a licensing agreement. The licensing agreement provides that (1) the operating system software remains the property of DSC; (2) the customer has the right to use the software only to operate its switch; (3) the customer is prohibited from copying the software or disclosing it to third parties; and (4) the customers are authorized to use the software only in conjunction with DSC- manufactured equipment.

The record evidence shows that DSC’s customers, like other long distance providers, frequently need to expand the call- handling capacity of their switches. One way to expand the call- handling capacity of DSC switches is to add groups of “cards” to the switch. Prior to 1989, DSC was the only manufacturer of

1 For a detailed description of the technology involved in this case, see DSC Communications Corp. v. DGI Technologies, Inc., 81 F.3d 597 (5th Cir. 1996) (“DSC I”).

expansion cards for its own switches. In 1989, DGI was founded to design and sell such cards for use with DSC switches.

DGI contends that it developed its cards by analyzing DSC’s unpatented products and then duplicating their functionality —— a process referred to as “reverse engineering.” DGI initially obtained a used DSC switch containing a multitude of cards and a set of switch owners manuals (“DSPs” or “DSP manuals”) from an investor. Once DGI had determined the functionality of DSC’s products, it designed its own to perform these same functions using newer-generation electronics and adding additional features. DGI further insists that, from its inception, DSC repeatedly attempted to thwart DGI’s entry into the market. For instance, DSC threatened to insert a software “patch” in its operating system software to render DGI’s cards inoperable on DSC-manufactured switches, and in fact did insert such a patch, but was never successful in disabling the DGI products. DGI also notes that in 1991, before it had introduced its first product for sale, DSC sent a letter to its switch owners, threatening to void their switch warranties if they used DGI cards and claiming that DGI refused to provide DSC a card to test, an assertion that DGI maintains was untrue. Finally, DSC (1) refused to inform its customers of the compatibility of DGI’s cards, even after testing them, and (2) hired investigators to go through DGI’s trash.

DSC, on the other hand, asserts that DGI did not engage in legitimate reverse engineering, but rather misappropriated DSC’s intellectual property by wrongfully obtaining schematics and

manuals provided only to DSC customers on the express condition that there be no disclosure to third parties. DSC also notes that each manual contained a plainly visible copyright notice.

In any event, between 1992 and 1994, DGI developed and introduced four DSC-compatible cards —— the Digital Trunk Interface (“DTI”),2 the Bus Terminator (“BT”),3 the Digital Tone Detector (“DTD”),4 and the Pulse Code Modulation Interface (“PCMI”). None of these initial DGI cards were microprocessor cards, however. A microprocessor card contains firmware, which is software embedded in a memory chip on the card. When installed in a switch, a microprocessor card controls the “boot up” —— that is, it downloads DSC’s copyrighted operating system software into its random access memory (“RAM”). A DTI, DTD, or BT card alone cannot expand the capacity of a switch; a customer must install a group of cards together with a microprocessor card to achieve expansion. For this reason, DGI obtained DSC microprocessor cards —— then known as MP-2s —— in the used market to sell along with three DGI cards. This enabled DGI to offer a customer a complete expansion card complement, which it did.

In 1995, as a result of a new dialing plan implemented by the

2 DTI cards translate incoming signals from the format of the incoming trunk line that carries long distance calls to the switch format and back.

3 BT cards check and regulate the various circuits between the cards in a metal cabinet called a frame.

4 DTD cards detect and handle dial tones.

Federal Communications Commission (“FCC”)5 and customer demands for new features, DSC revised and expanded its operating system software. These changes required DSC customers to upgrade to a new microprocessor card —— the MP-8. As few MP-8 cards were available on the used market, DGI was no longer able to offer a complete card complement. Its marketing problems were exacerbated by DSC’s practice of offering substantial discounts to customers who purchased whole complements of cards from DSC, but charging much higher prices for individual MP-8 cards. This motivated DGI to develop its own microprocessor card —— the DMP-2800.

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