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JANSSEN PRODUCTS, L.P. et al v. HETERO DRUGS, LTD. et al DC
- 2:13-cv-01444
- D.N.J.
- Judge: William H. Walls
+1
- Filed: 03/08/2013
- Closed: 10/15/2015
- Latest Docket Entry: 10/09/2018
- PACER
3
Plaintiffs
6
Defendants
1
Accused
Product
2
Patents-in-Suit
952
Days in
Litigation
-
JANSSEN PRODUCTS, L.P. et al v. HETERO DRUGS, LTD. et al DC
- 2:13-cv-01444
- D.N.J.
- Judge: William H. Walls
+1
- Filed: 03/08/2013
- Closed: 10/15/2015
- Latest Docket Entry: 10/09/2018
- PACER
Cause of Action
Infringement
Assigned Judge
Outcome Summary
- Patent Information
-
Validity & Enforceability
Claim # | Claim Text | Outcome |
---|---|---|
3 |
A method according to claim 1 which method further comprises a) epimerizing with acid intermediate of formula β-(4) into the intermediate of formula α-(4); and <chemistry id="CHEM-US-00050" num="00050"><img id="EMI-C00050" he="29.38mm" wi="62.31mm"
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Enforceable and Valid
Entry 55 |
4 |
A method according to claim 3 which method further comprises after crystallizing intermediate of formula α-(4), a) epimerizing with acid intermediate of formula β-(4) in the mother liquor of said crystallization into the intermediate of formula
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|
Enforceable and Valid
Entry 55 |
Claim # | Claim Text | Outcome |
---|---|---|
1 |
A method for the synthesis of hexahydro-furo[2,3-b]furan-3-ol of formula (7) starting from an intermediate of formula (1) wherein P<sup>1 </sup>and P<sup>2 </sup>represent each independently a hydrogen, a hydroxy-protecting group or may together form
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Enforceable and Valid
Entry 55 |
2 |
A method according to claim 1 wherein the intermediate of formula (3) is transformed into an intermediate of formula (6) by making use of a Nef reaction.
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Enforceable and Valid
Entry 55 |
5 |
A method according to claim 1 for the synthesis of hexahydro-furo[2,3b]furan-3-ol of formula (7.1) starting from an intermediate of formula (1), wherein P<sup>1 </sup>and P<sup>2 </sup>taken together form an isopropylidene,</claim-text> <chemistry
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Enforceable and Valid
Entry 55 |
16 |
A method according to claim 1 wherein R<sup>1 </sup>and R<sup>3 </sup>each independently are C<sub>1-6</sub>alkyl, aryl or arylC<sub>1-6</sub>alkyl or together with the atoms to which R<sup>1 </sup>and R<sup>3 </sup>are attached form a 6 to
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Enforceable and Valid
Entry 55 |
17 |
A method according to claim 1 wherein R<sup>1</sup>, R<sup>3 </sup>and R<sup>4 </sup>each independently are methyl, ethyl, propyl, isopropyl, n-butyl, isobutyl, sec-butyl, tert-butyl or pentyl.
|
Enforceable and Valid
Entry 55 |
18 |
A method according to claim 1 wherein P<sup>1 </sup>and P<sup>2 </sup>together form an acid labile vicinal-diol protecting group.
|
Enforceable and Valid
Entry 55 |
19 |
A method according to claim 1 wherein P<sup>1 </sup>and P<sup>2 </sup>is a dialkyl methylene radical.
|
Enforceable and Valid
Entry 55 |