Porous Media Corp. v. Pall Corporation

CourtCourt of Appeals for the Eighth Circuit
DecidedApril 9, 1999
Docket97-4390
StatusPublished

This text of Porous Media Corp. v. Pall Corporation (Porous Media Corp. v. Pall Corporation) is published on Counsel Stack Legal Research, covering Court of Appeals for the Eighth Circuit primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.

Bluebook
Porous Media Corp. v. Pall Corporation, (8th Cir. 1999).

Opinion

United States Court of Appeals FOR THE EIGHTH CIRCUIT

___________________

No. 97-4390/98-1021 ___________________

Porous Media Corporation, * * Appellant/Cross-Appellee, * * Appeals from the United States v. * District Court for the * District of Minnesota. Pall Corporation, * * Appellee/Cross-Appellant. * *

_____________

Submitted: October 21, 1998 Filed: April 9, 1999 _____________

Before McMILLIAN, JOHN R. GIBSON, and HANSEN, Circuit Judges. _____________

JOHN R. GIBSON, Circuit Judge.

Porous Media Corporation and Pall Corporation, competing manufacturers of filters used in medical and other industries, appeal from a $1.6 million Lanham Act1 judgment in favor of Porous, entered by the district court2 pursuant to a jury verdict.

1 Section 43(a) of the Lanham Act is codified at 15 U.S.C. § 1125(a) (1994). 2 The Honorable Ann D. Montgomery, United States District Judge for the District of Minnesota. Both parties also appeal several related orders of the district court. These include the court’s granting of Pall’s motion to set aside a $120,000 libel verdict for Porous; the court’s entry of judgment for Porous in regard to Pall’s false advertising counterclaim under the Lanham Act--a counterclaim rejected by the jury; the court’s repeated refusals to allow Porous to add a punitive damages claim to its complaint; and the court’s refusal to award Porous attorneys’ fees and costs under the Minnesota Deceptive Trade Practices Act, Minn. Stat. §§ 325D.43-.48 (1996). We affirm the judgment of the district court.

I.

Viewed in the light most favorable to the jury’s verdict, the facts underlying the parties’ dispute are as follows. Porous and Pall produce competing disposable box filters: respectively, the DBF23 and the BB50T. Both products perform suitably as intake filters for oxygen concentrators and ventilators, but only Pall’s BB50T is sufficiently “hydrophobic” (water-repellant) to be suitable for use in the expiratory side of ventilators, with laser surgery equipment, or with other “wet” medical applications. Porous’s filter, meanwhile, is cheaper than its more hydrophobic counterpart and performs at least as well as the BB50T when tested in “dry” applications.3 Use of non-hydrophobic filters in “wet” medical applications, however, presents grave health risks. For example, moisture contained in a patient’s breath could potentially clog the outgoing or “wet” side of a ventilator, preventing the patient from exhaling. Because of these and other risks, the FDA regulates the ventilator filter industry. Porous’s filter is FDA-approved only for the inspiratory, or “dry” side of ventilators, where hydrophobicity is not required.

Pall had already developed, patented, and successfully marketed its BB50T

3 The record indicates that Pall’s filter sold for approximately $3.00 per unit, while Porous’s sold for approximately $2.00. -2- filter when Porous--carefully avoiding patent infringement--developed the DBF23, acquired a separate patent, and sought a “niche” market for intake filters used with oxygen concentrators. In oxygen concentrators, intake filters remove dust and other contaminants from the air before the air enters the concentrator’s compressor. Because oxygen concentration is a “dry” application, intake filters need not be hydrophobic, and FDA regulation is absent.

Porous hoped to dominate its “niche” market, then to springboard into the larger medical-filter market by establishing a good business reputation and earning referral sales. Pall, meanwhile, viewed the DBF23’s entry into the marketplace with unease. Determined to “stop the insurgency” of Porous into the Pall-dominated market, Pall tested the two filters in order to find a relevant quality difference between them. At first, Pall’s tests found no such difference, for Porous’s filter performed as well as or better than Pall’s in ambient (i.e. dry room air) conditions. Discouraged with these results and still fearful of losing customers to Porous, Pall ordered further tests to be undertaken in “wet” conditions. Pall did so even though hydrophobicity is wholly irrelevant in oxygen-concentrator applications; its own internal communications documented the company’s awareness of this irrelevance. Further, Pall’s “wet” condition tests were irregular by industry standards. Although most “wet” applications present dangers associated with water vapor, Pall conducted its tests in a water-saturated environment by soaking the two filters. Pall’s further tests indeed differentiated the BB50T from the less expensive DBF23, but not in a manner relevant to Porous’s customers.

In order to thwart Porous’s newfound success, Pall’s national sales manager, Steve Swalgen, sent the following “ALERT” to some of Porous’s largest customers:

ALERT Please be advised that a filter has been introduced to the marketplace that in appearance seems to be a “clone” of the Pall

-3- Breathing Circuit Filter (BB-50T). Be advised that the similarity ends with appearance. The attached [set of reports] notes a serious hydrophobic deficiency as to the competitive product. The “clone” device is offered by a company called Porous Media. If your particular application for the Pall BB-50T operates in any moist, wet, high-humidity (condensation) environment, then you will run into “product occurrence” situations routinely should you utilize the Porous Media device instead of the Pall BB-50T. I urge you or your engineering staff to consider the enclosed, and conduct your own tests for verification if necessary. Please contact me with any questions or comments.

(emphases in original).

Porous objected to numerous representations made in the ALERT. These included (i) labeling Porous’s filter a “clone” of Pall’s; (ii) the claim that Porous’s filter would fail in any “moist, wet, high-humidity (condensation) environment,” when Pall had only tested the filter by immersing it in water; (iii) the statement that the similarity between the two filters ends with appearance, when Pall’s own tests demonstrated similar performance in a “dry” environment; and particularly (iv) the very notion that Porous’s filter had a “serious hydrophobic deficiency,” in light of Pall’s knowledge that hydrophobicity is neither needed nor desired in oxygen- concentrator filters or other “dry” applications.

Although the ALERT was sent to only five companies, information from the ALERT circulated more widely than the ALERT itself, largely through Pall’s own efforts.4 First, the ALERT reached Porous’s customers in the oxygen-concentrator “original equipment manufacturer” market: a “niche” market with a small number of high-volume participants. In that market, three companies produce seventy percent

4 For example, Pall’s marketing personnel sent data and other information derived from the ALERT to other companies and repeatedly brought up the issue of hydrophobicity in discussions with customers. -4- of all oxygen concentrators sold. Of the six largest companies in the market, three-- all Porous customers--received the ALERT or information derived therefrom. Ultimately, information from the ALERT pervaded the entire oxygen-concentrator filter market. A second relevant market is that for “resellers” of filters. Because the filters in question are disposable, they must be replaced occasionally in the equipment to which the filters are attached; “resellers” sell such replacement filters. Like the “original equipment manufacturer” market, the “reseller” market is concentrated among a small number of large-volume vendors, many of whom are also original equipment manufacturers. Of the six largest such venders, at least three received the ALERT or information from it.

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