Oxford PV, page-7

• .
  Dyesol / GSL has the Blocking Patent / Patent for Tandem Cells
  with 38 claims . The First 19 have been cancelled and probably
  replaced / updated with 20 to 38

	Column 1	Column 2
0	Priority date	15 Jun 2004

http://www.google.com.au/patents/US20090000655 .

My understanding is that Dye / GSL (Igor Lvovich Skryabin,
Michael J. Sundman, Gavin Edmund Tulloch , George Phani,.
Sylvia Medlyn Tulloch ) has everyone by the short and
curlies .
Note the PATENT CITATIONS and STI at the bottom

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