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CAFC-PTOJuly 9, 2026·25-1961·Affirmed; claim 1 held unpatentable as anticipated.

In re Magnolia Medical Technologies, Inc.

Patent Trial and Appeal Board

Holding

The Federal Circuit affirmed because substantial evidence supported the Board's finding that Brannon disclosed the disputed fluid-reservoir and bypass limitations. The claim did not require the reservoir limitation to be satisfied at the moment of venipuncture or require all initially collected blood to be sequestered.

Why It Matters

The decision underscores that anticipation arguments tied to timing or completeness requirements will fail where the claim language does not impose those requirements.

Full Summary

In re Magnolia Medical Technologies, Inc. The Federal Circuit affirmed because substantial evidence supported the Board's finding that Brannon disclosed the disputed fluid-reservoir and bypass limitations. The claim did not require the reservoir limitation to be satisfied at the moment of venipuncture or require all initially collected blood to be sequestered. The decision underscores that anticipation arguments tied to timing or completeness requirements will fail where the claim language does not impose those requirements. Affirmed; claim 1 held unpatentable as anticipated. The appeal concerned only claim 1, directed to a blood sequestration device with a fluid reservoir for an initial blood volume and a sampling flow path that bypasses the sequestered initial volume. The Board found Brannon anticipated by disclosing a first blood sample contained in fluid chamber 30 and later samples substantially separated from that chamber. Magnolia argued the reservoir had to receive the first volume after venipuncture and that Brannon's configuration raised air-embolism concerns, but the court held claim 1 imposed no venipuncture-time requirement. Magnolia also argued Brannon failed the bypass limitation because some initial blood could enter the tested sample; the court held the claim required only 'an initial volume' to be sequestered, not the entire initially collected amount. The court affirmed the Board's anticipation finding under the substantial-evidence standard. § 102 claim construction non-precedential § 102 claim construction non-precedential § 102 claim construction non-precedential

Key Points

  • The appeal concerned only claim 1, directed to a blood sequestration device with a fluid reservoir for an initial blood volume and a sampling flow path that bypasses the sequestered initial volume.
  • The Board found Brannon anticipated by disclosing a first blood sample contained in fluid chamber 30 and later samples substantially separated from that chamber.
  • Magnolia argued the reservoir had to receive the first volume after venipuncture and that Brannon's configuration raised air-embolism concerns, but the court held claim 1 imposed no venipuncture-time requirement.
  • Magnolia also argued Brannon failed the bypass limitation because some initial blood could enter the tested sample; the court held the claim required only 'an initial volume' to be sequestered, not the entire initially collected amount.
  • The court affirmed the Board's anticipation finding under the substantial-evidence standard.
§ 102claim constructionnon-precedential

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