Tumor-activated prodrug compounds and treatment

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Peptide containing doai

Reexamination Certificate

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C514S019300, C530S330000, C530S331000, C530S345000

Reexamination Certificate

active

07037898

ABSTRACT:
The compound (W-Z-M) according to the invention comprises a component (M) chosen from the group consisting of markers and therapeutic agents possessing an intracellular active site (A.S.), linked to a ligand (W-Z) comprising an arm (Z) linked to a terminal group (W), characterized in that the linkage between the arm (Z) of the ligand (W-Z) and the component (M) prevents intracellular entry of the compound (W-Z-M) and/or inhibits expression of the marker (M), in that said linkage can be selectively cleaved by factors secreted by target cells so as to permit expression of the marker (M) or entry of the therapeutic agent (M) into said target cells, and in that the terminal group (W) provides for the stability of the compound (W-Z-M) in the serum and circulating blood.

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Opposition to AU 694546, Notice of Opposition, dated Oct. 23, 1998.
Opposition to AU 694546, Statement of Grounds and Particulars on behalf of Opponent Merck & Co., Inc., dated Jan. 25, 1999.
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Opposition to AU 694546, Declaration of Veronika Judit Bender on behalf of Opponent Merck & Co., Inc., executed Mar. 14, 2000 (including Exhibits VJB-1, VJB-3 to VJB-10).
Opposition to AU 694546, Declaration of Geoffrey William Tregear on behalf of Opponent Merck & Co., Inc., executed on Apr. 26, 2000 (including Exhibit GWT-1).
Opposition to AU 694546, Declaration of David Courtland Heimbrook on behalf of Opponent Merck & Co., Inc., executed Apr. 20, 2000 (including Exhibit DCH-1).
Opposition to AU 694546, Letter to The Commissioner of Patents, IP Australia, from Geoff Davidson, Halford & Co., enclosing Evidence in Answer on behalf of Applicants La Region Wallone and Université Catholique De Louvain, dated Aug. 27, 2001.
Opposition to AU 694546, Statutory Declaration of Geoffrey Allan Pietersz on behalf of Applicants La Region Wallone an

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