A cursory read of the '883 patent suggests that the claims are anticipated in the prior art and that the patent would likely be found invalid were it litigated

A cursory read of the '883 patent suggests that the claims are anticipated in the prior art and that the patent would likely be found invalid were it litigated or re-examined. Just understanding what the "invention" is and constructing claims charts for prior art candidates requires an enormous amount of energy, time, and money. It is not to be approached lightly.