Recently, word from the Senate Judiciary Committee is that negotiators have reached a bipartisan agreement in principle on the key elements of a comprehensive patent reform bill. They are reportedly vetting and nailing down language and preparing the package for mark-up when the Senate returns. A deal appears close to being done, and it’s looking more like the House’s Innovation Act, which bodes well for final passage.

Yet time is of the essence as the clock is ticking on this Congress. Patent litigation abuse by trolls, entities that acquire patents for the sole purpose of shaking down actual inventors with dubious infringement claims, is a very real tax on innovation. A New York Times editorial calling on the Senate to move forward with robust legislation made it clear that abusive patent litigation costs the US economy billions of dollars a year. And, although we can debate the exact scope of the problem, there is no question that the patent trolling phenomenon is growing, and that it now targets retailers, small businesses, independent inventors,start-ups and consumers. Moreover, it has tarnished the reputation of the patent system at a time when innovation is such a critical driver of economic growth and global competitiveness.

Recognizing that patent trolls leverage the high risk and high cost of litigation to extract nuisance settlements, the House passed the Innovation Act by a lopsided 325-91 margin in December.

As the Senate Judiciary committee struggles to come to terms on some thorny provisions, they should bear in mind what Chairman Leahy said just last week: Patents are government-issued monopolies and the abuse of patents in litigation is qualitatively different and consequently warrants a higher level of congressional scrutiny. When bad actors send demand letters or file suits without any real basis for believing that their patent is infringed, they are abusing the system. This problem is exacerbated when many of the patents being asserted by trolls are vague or abstract software and business method patents that should not have been issued in the first place.

Current law and practice stack the deck in favor of trolls, who typically send out scores of form demand letters which make vague and unspecified assertions of infringement and request “licensing fees” while threatening litigation. The troll renders itself litigation-proof by creating shell companies with no assets, but a threatened start-up is faced with a dire choice: give in to what President Obama aptly called ‘extortion” or risk litigation, which would drain critical energy and resources from a fledgling business which can ill afford the cost or distraction of litigation.

To stem this tide, the committee should press ahead to finalize a package that will redress the existing imbalances in the patent litigation system. The bill must include provisions for:

• Transparency of ownership post-issuance and throughout the life of the patent.

• Specificity in demand letters.

• Heightened pleading standards that require the identification of claims asserted to be infringed. Any bona fide claim of infringement should be able to meet these reasonable standards, which even provide an exception in cases where the plaintiff is unable to access all the information.

• Capping discovery costs by enabling the court to determine what the disputed patent covers and the scope of the claims before allowing broad-ranging, expensive, and potentially irrelevant discovery. This will prevent trolls from driving up costs in order to gain leverage in litigation.

• End-of-case fee shifting in favor of a prevailing party while maintaining the court’s discretion to deny fee shifting if the losing party’s actions and conduct were objectively reasonable.

• Provisions that enable the real party in interest to be held liable for any costs assigned to shell entities.

To be sure, infringement is also a very real threat to inventors and startups, so the Senate should take care to ensure that nothing in the legislation prejudices the ability of patent holders to commercialize patents or assert legitimate claims. The proposals that have been reportedly agreed upon reflect a keen sensitivity to balancing these interests and the bipartisan negotiators should be commended for taking such care in walking that fine line.

This legislation needs to be balanced but it also needs to be effective, so potential unintended consequences should not be exaggerated in an effort to water down or derail the bill. The bill, like any legislation, should be evaluated by its intended and likely effects, not by reference to potential consequences which are exceptional or unlikely.

It is clear that the current state of affairs enables abuse and is tilted too far in favor of litigation plaintiffs, who can essentially sue on a wholesale basis with impunity. The fulcrum needs to be restored to a position of balance so that the patent playing field is level for all innovators. The Senate Judiciary negotiators appear to have arrived at a fair and balanced set of reforms. Let’s hope the Senate seizes this chance to improve and strengthen the patent system.

Peter C. Pappas is the former Chief of Staff at the USPTO, where he served from 2009-2013. He is a senior advisor to Engine, an advocacy organization supporting startups and technology entrepreneurship.