The '1920 law' aka 'Jones Act' is not limited to natural gas. It deals with transport of goods where both the source and destination are American ports.
How do you avoid the chilling effects of patents existing then without getting into patent pools or cross-licensing arrangements? People will be hesitant to put any time into R&D if they don't have assurances their work won't be quashed by lawyers.
This has nothing to do with OCR. It's an issue with the JBIG2 compression re-using similar patches as substitutes for certain areas of the images if they're "close enough". This issue is exacerbated at lower resolutions.
The end of the report says something along the lines that Facebook can expect to win an opposition if the Face* thing can be argued to be related to something Facebook actually does and if there's a significant portion of a survey that associates it with Facebook (30% is not low). So Faceplanting is fine, but Facetalk, Facemail, Facefriends, Facephotos are probably things Facebook can oppose and win if they haven't been trademarked yet.