Mobile chipmaker Qualcomm has chalked up another small legal victory against Apple in another patent litigation suit.

A jury in a U.S. federal court in San Diego found Friday that Apple owes Qualcomm about $31M for infringing three patents, per Reuters.

As we reported earlier the San Diego patent suit relates to the power consumption and speed of boot-up times for iPhones sold between mid-2017 and late-2018.

Qualcomm had asked to be awarded up to $1.41 in unpaid patent royalties damages per infringing iPhone sold during the period.

The chipmaker has filed a number of patent suits against the iPhone maker in the U.S., Europe and Asia in recent years. The suits are skirmishes in a bigger battle between the pair over licensing terms that Apple alleges are unfair and illegal.

In a statement on on the San Diego trial outcome Qualcomm executive vice president and general counsel, Don Rosenberg, said:

Today’s unanimous jury verdict is the latest victory in our worldwide patent litigation directed at holding Apple accountable for using our valuable technologies without paying for them. The technologies invented by Qualcomm and others are what made it possible for Apple to enter the market and become so successful so quickly. The three patents found to be infringed in this case represent just a small fraction of Qualcomm’s valuable portfolio of tens of thousands of patents. We are gratified that courts all over the world are rejecting Apple’s strategy of refusing to pay for the use of our IP.

The iPhone models involved in the patent suit are iPhone 7, 7 Plus, 8, 8 Plus and X, which were found to infringe two Qualcomm patents, U.S. Patent No. 8,838,949 (“flashless booting”), and U.S. Patent No. 9,535,490 (data management between the applications processor and the modem); and the iPhone 8, 8 Plus and X which were found to infringe Qualcomm’s U.S. Patent No. 8,633,936 (high performance rich visual graphics with power management).

The patents are not contained in modems and are not standards-essential to cellular devices, Qualcomm said.

Reuters suggests the jury’s damages award could have wider significance if it ends up being factored into the looming billion dollar royalties suit between Apple and Qualcomm — by putting a dollar value on some of the latter’s IP, the San Diego trial potentially bolsters its contention that its chip licensing practices are fair, it said.

At the time of writing it’s not clear whether Apple intends to appeal the outcome of the trial. Reuters reports the iPhone maker declined to comment on that point, after expressing general disappointment with the outcome.

We’ve reached out to Apple for comment.

In a statement provided to the news agency Apple said: “Qualcomm’s ongoing campaign of patent infringement claims is nothing more than an attempt to distract from the larger issues they face with investigations into their business practices in U.S. federal court, and around the world.”

Cupertino filed its billion dollar royalties suit against Qualcomm two years ago.

It has reason to be bullish going into the trial, given a preliminary ruling Thursday — in which a U.S. federal court judge found Qualcomm owes Apple nearly $1BN in patent royalty rebate payments (via CNBC). The trial itself kicks off next month.

The U.S. Federal Trade Commission also filed antitrust charges against Qualcomm in 2017 — accusing the chipmaker of operating a monopoly and forcing exclusivity from Apple while charging “excessive” licensing fees for standards-essential patents.

That trial wrapped up in January and is pending a verdict from Judge Lucy Koh.

At the same time, Qualcomm has also been pursuing several international patent suits against Apple — also with some success.

In December Apple filed an appeal in China to overturn a preliminary ruling that could have blocked iPhone sales in the market.

While in Germany it did pull older iPhone models from sale in its own stores in January. But by February it was selling the two models again — albeit with Qualcomm chips, rather than Intel, inside.

This report was updated with comment from Qualcomm