Lindberg et al v. Ethicon, Inc. et al

Filing 55

MEMORANDUM OPINION AND ORDER (Daubert Motion re: Konstantin Walmsley, M.D.) The 43 MOTION by Ethicon, Inc., Ethicon, LLC, Johnson & Johnson to Exclude the Testimony of Konstantin Walmsley, M.D. is GRANTED in part, DENIED in part, and RESERVED in part, as more fully set forth herein. Signed by Judge Joseph R. Goodwin on 3/24/2017. (cc: cousel of record; any unrepresented party) (hkl)

IN THE UNITED STATES DISTRICT COURT
FOR THE SOUTHERN DISTRICT OF WEST VIRGINIA
CHARLESTON DIVISION
IN RE:

ETHICON, INC.
PELVIC REPAIR SYSTEMS
PRODUCT LIABILITY LITIGATION
MDL No. 2327
______________________________________________________________________________
THIS DOCUMENT RELATES TO:

Patricia Lindberg, et al. v. Ethicon, Inc., et al.

Civil Action No. 2:12-cv-01637

MEMORANDUM OPINION AND ORDER
(Daubert Motion re: Konstantin Walmsley, M.D.)
Pending before the court is the Motion to Exclude the Testimony of Konstantin
Walmsley, M.D. [ECF No. 43] filed by the defendants. The Motion is now ripe for
consideration because briefing is complete.
I.

Background

This case resides in one of seven MDLs assigned to me by the Judicial Panel
on Multidistrict Litigation concerning the use of transvaginal surgical mesh to treat
pelvic organ prolapse (“POP”) and stress urinary incontinence (“SUI”). In the seven
MDLs, there are more than 60,000 cases currently pending, approximately 28,000 of
which are in this MDL, which involves defendants Johnson & Johnson and Ethicon,
Inc. (collectively “Ethicon”), among others.
In this MDL, the court’s tasks include “resolv[ing] pretrial issues in a timely
and expeditious manner” and “resolv[ing] important evidentiary disputes.” Barbara
J. Rothstein & Catherine R. Borden, Fed. Judicial Ctr., Managing Multidistrict

Litigation in Products Liability Cases 3 (2011). To handle motions to exclude or to
limit expert testimony pursuant to Daubert v. Merrell Dow Pharmaceuticals, Inc.,
509 U.S. 579 (1993), the court developed a specific procedure. In Pretrial Order
(“PTO”) No. 206, the court instructed the parties to file general causation Daubert
motions in the main MDL and specific causation Daubert motions, responses, and
replies in the individual member cases. To the extent that an expert is both a general
and specific causation expert, the parties were advised that that they could file a
general causation motion in the main MDL 2327 and a specific causation motion in
an individual member case. PTO No. 206, at 4.
II.

Legal Standard

By now, the parties should be intimately familiar with Rule 702 of the Federal
Rules of Evidence and Daubert, so the court will not linger for long on these
standards.
Expert testimony is admissible if the expert is qualified and if his or her expert
testimony is reliable and relevant. Fed. R. Evid. 702; see also Daubert, 509 U.S. at
597. An expert may be qualified to offer expert testimony based on his or her
“knowledge, skill, experience, training, or education.” Fed. R. Evid. 702. Reliability
may turn on the consideration of several factors:
(1) whether a theory or technique can be or has been tested;
(2) whether it has been subjected to peer review and
publication; (3) whether a technique has a high known or
potential rate of error and whether there are standards
controlling its operation; and (4) whether the theory or
technique enjoys general acceptance within a relevant
scientific community.

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Cooper v. Smith & Nephew, Inc., 259 F.3d 194, 199 (4th Cir. 2001) (citing Daubert,
509 U.S. at 592–94). But these factors are neither necessary to nor determinative of
reliability in all cases; the inquiry is flexible and puts “principles and methodology”
above conclusions and outcomes. Daubert, 509 U.S. at 595; see also Kumho Tire Co.

v. Carmichael, 525 U.S. 137, 141, 150 (1999). Finally, and simply, relevance turns on
whether the expert testimony relates to any issues in the case. See, e.g., Daubert, 509
U.S. at 591–92 (discussing relevance and helpfulness).
In the context of specific causation expert opinions, the Fourth Circuit has held
that “a reliable differential diagnosis provides a valid foundation for an expert
opinion.” Westberry v. Gislaved Gummi AB, 178 F.3d 257, 263 (4th Cir. 1999).
A reliable differential diagnosis typically, though not invariably, is
performed after ‘physical examinations, the taking of medical histories,
and the review of clinical tests, including laboratory tests,’ and generally
is accomplished by determining the possible causes for the patient’s
symptoms and then eliminating each of these potential causes until
reaching one that cannot be ruled out or determining which of those that
cannot be excluded is the most likely.

Id. at 262 (citations omitted). “A differential diagnosis that fails to take serious
account of other potential causes may be so lacking that it cannot provide a reliable
basis for an opinion on causation.” Id. at 265. However, an expert’s causation opinions
will not be excluded “because he or she has failed to rule out every possible alternative
cause of a plaintiff's illness.” Id. “The alternative causes suggested by a defendant
‘affect the weight that the jury should give the expert’s testimony and not the
admissibility of that testimony,’ unless the expert can offer ‘no explanation for why
she has concluded [an alternative cause offered by the opposing party] was not the

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sole cause.’” Id. at 265 (citations omitted).
At bottom, the court has broad discretion to determine whether expert
testimony should be admitted or excluded. Cooper, 259 F.3d at 200.
III.

Discussion

Ethicon first argues that I should exclude Dr. Walmsley’s opinion that the TVT
Secur device caused Ms. Lindberg’s dyspareunia because it is irrelevant, speculative,
and mere ipse dixit. However, after reviewing the record, I find that Dr. Walmsley’s
opinions linking the TVT Secur device to Ms. Lindberg’s dyspareunia are relevant
and sufficiently grounded to move forward. To the extent Ethicon believes Dr.
Walmsley’s opinions are lacking, Ethicon may attack those opinions on crossexamination. Ethicon’s Motion on this point is DENIED.
Ethicon next argues that I should exclude Dr. Walmsley’s opinion that Ms.
Lindberg’s mesh exposure in 2010 was caused by the physical properties of the TVT
Secur because it is irrelevant and factually unsupported. However, after reviewing
the record, I find that this opinion is relevant and factually supported. To the extent
Ethicon believes Dr. Walmsley’s opinions are lacking, Ethicon may attack those
opinions on cross-examination. Ethicon’s Motion on this point is DENIED.
Ethicon next argues that I should exclude Dr. Walmsley’s opinion that the way
the TVT Secur was cut led to Ms. Lindberg’s mesh exposure because it is ipse dixit.
However, after reviewing the record, I find that this opinion is relevant and factually
supported. To the extent Ethicon believes Dr. Walmsley’s opinions are lacking,
Ethicon may attack those opinions on cross-examination. Ethicon’s Motion on this

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point is DENIED.
Finally, Ethicon argues that I should exclude Dr. Walmsley’s testimony
regarding Ms. Lindberg’s implanting physician’s state of mind. To the extent that
testimony seeks to attribute a state of mind to the implanting surgeon, I agree with
Ethicon. Experts may not testify as to what other individuals did or did not know.
However, to the extent Ethicon seeks to exclude Dr. Walmsley’s testimony about the
adequacy of warnings and the knowledge of the medical community in general, I
disagree. Expert witnesses may properly offer opinions on these topics. Ethicon’s
Motion is GRANTED to the extent they seek to exclude evidence regarding the
implanting surgeon’s state of mind, and any remaining issues are RESERVED for
trial.
IV.

Conclusion

The court ORDERS that the Motion to Exclude the Testimony of Konstantin
Walmsley, M.D. [ECF No. 43] is GRANTED in part, DENIED in part, and
RESERVED in part.
The court DIRECTS the Clerk to send a copy of this Order to counsel of record
and any unrepresented party.

ENTER:

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March 24, 2017