Sanofi-Aventis U.S. LLC, et al. v. Eli Lilly and Company, C.A. No. 14-113- RGA-MPT, January 20, 2015.

Andrews, J. Claim construction opinion issues. The court considers 17 terms from five patents regarding formulation and device patents relating to polysorbates.

The following terms are construed:

1. “at least one chemical entity chosen from”"a piston rod having a first external thread and a second external thread”
2. “esters and ethers of polyhydric alcohols”
3. “polysorbate”
4. “polysorbate 20″ and “polysorbate 80″
5. “the polysorbate 20 is present in an effective amount to avoid turbidity”
6. “phenols”
7. “thread/threading”
8. “drive sleeve”
9. “a drive sleeve releasably connected to the dose dial sleeve”
10. “clutch mechanism”
11. “tubular clutch”
12. “a clutch mechanism located between the dose dial sleeve and the drive sleeve”
13.  ”the clutch mechanism is configured such that … when the dose dial sleeve and the drive sleeve are decoupled … rotation of the drive sleeve with    respect to the housing is prevented”
14. “dose dial grip”
15. “said piston rod is non-rotatable during a dose setting step relative to said main housing”
16. “said housing”
17. “plunger”