One where software engineers pledge not to participate in formal patent creation. Because ultimately, all of the software patents out there were 'authored' by a software engineer. You have to have the person that actually invented the new implementation on the document.
Sure, your employment contract says that any IP you create on your employer's dime is owned by your employer. And so, sure, they could go out and pursue a patent for some new implementation that you invent. But you can stand up and say no, that you won't participate in the 'patentization' of your work (ie the formal, legal work to obtain the patent).
And without your involvement, it would likely fail. It certainly makes a statement internally and externally, at least.
How does this work? Well, you can make that commitment - in writing and verbally - when you join a company. Or you could simply state as much, formerly, in an email to your boss and superiors tonight when you get home.
With the software engineering talent market what it is anyone but a dope-shit code monkey has the leverage to dictate terms.